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5238730992 = 2431197233439
BaseRepresentation
bin1001110000100000…
…01011000011110000
3111112002121002220210
410320100023003300
541212103342432
62223500104120
7243551323125
oct47020130360
914462532823
105238730992
112249144150
121022535040
13656456c31
14379a8674c
15209db18cc
hex13840b0f0

5238730992 has 160 divisors (see below), whose sum is σ = 15014039040. Its totient is φ = 1560821760.

The previous prime is 5238730961. The next prime is 5238731023. The reversal of 5238730992 is 2990378325.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5238730961) and next prime (5238731023).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11933109 + ... + 11933547.

It is an arithmetic number, because the mean of its divisors is an integer number (93837744).

Almost surely, 25238730992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5238730992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7507019520).

5238730992 is an abundant number, since it is smaller than the sum of its proper divisors (9775308048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5238730992 is a wasteful number, since it uses less digits than its factorization.

5238730992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791 (or 785 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 5238730992 is about 72379.0784135858. The cubic root of 5238730992 is about 1736.7688960189.

The spelling of 5238730992 in words is "five billion, two hundred thirty-eight million, seven hundred thirty thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 97 132 176 194 233 264 291 388 439 466 528 582 699 776 878 932 1067 1164 1317 1398 1552 1756 1864 2134 2328 2563 2634 2796 3201 3512 3728 4268 4656 4829 5126 5268 5592 6402 7024 7689 8536 9658 10252 10536 11184 12804 14487 15378 17072 19316 20504 21072 22601 25608 28974 30756 38632 41008 42583 45202 51216 57948 61512 67803 77264 85166 90404 102287 115896 123024 127749 135606 170332 180808 204574 231792 248611 255498 271212 306861 340664 361616 409148 468413 497222 510996 542424 613722 681328 745833 818296 936826 994444 1021992 1084848 1125157 1227444 1405239 1491666 1636592 1873652 1988888 2043984 2250314 2454888 2810478 2983332 3375471 3747304 3977776 4500628 4909776 5620956 5966664 6750942 7494608 9001256 9921839 11241912 11933328 13501884 18002512 19843678 22483824 27003768 29765517 39687356 54007536 59531034 79374712 109140229 119062068 158749424 218280458 238124136 327420687 436560916 476248272 654841374 873121832 1309682748 1746243664 2619365496 5238730992