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1431886368 = 253112946757
BaseRepresentation
bin101010101011000…
…1101101000100000
310200210100100211110
41111112031220200
510413030330433
6354030143320
750324555553
oct12526155040
93623310743
101431886368
11675298470
1233b651b40
1319a864253
14d825269a
1585a92963
hex5558da20

1431886368 has 96 divisors (see below), whose sum is σ = 4241885760. Its totient is φ = 418933760.

The previous prime is 1431886363. The next prime is 1431886381. The reversal of 1431886368 is 8636881341.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1431886363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7246 + ... + 54002.

It is an arithmetic number, because the mean of its divisors is an integer number (44186310).

Almost surely, 21431886368 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 1431886368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2120942880).

1431886368 is an abundant number, since it is smaller than the sum of its proper divisors (2809999392).

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

1431886368 is a wasteful number, since it uses less digits than its factorization.

1431886368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46810 (or 46802 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 1431886368 is about 37840.2744176096. The cubic root of 1431886368 is about 1127.1183443168.

The spelling of 1431886368 in words is "one billion, four hundred thirty-one million, eight hundred eighty-six thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 29 32 33 44 48 58 66 87 88 96 116 132 174 176 232 264 319 348 352 464 528 638 696 928 957 1056 1276 1392 1914 2552 2784 3828 5104 7656 10208 15312 30624 46757 93514 140271 187028 280542 374056 514327 561084 748112 1028654 1122168 1355953 1496224 1542981 2057308 2244336 2711906 3085962 4067859 4114616 4488672 5423812 6171924 8135718 8229232 10847624 12343848 14915483 16271436 16458464 21695248 24687696 29830966 32542872 43390496 44746449 49375392 59661932 65085744 89492898 119323864 130171488 178985796 238647728 357971592 477295456 715943184 1431886368