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494134420 = 2251331101607
BaseRepresentation
bin11101011100111…
…110010010010100
31021102210121222211
4131130332102110
52002444300140
6121011003204
715150034063
oct3534762224
91242717884
10494134420
11233a2055a
12119599504
137b4b0340
14498aa1da
152d5aa2ea
hex1d73e494

494134420 has 96 divisors (see below), whose sum is σ = 1166893056. Its totient is φ = 174528000.

The previous prime is 494134411. The next prime is 494134469. The reversal of 494134420 is 24431494.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 813757 + ... + 814363.

It is an arithmetic number, because the mean of its divisors is an integer number (12155136).

Almost surely, 2494134420 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 494134420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (583446528).

494134420 is an abundant number, since it is smaller than the sum of its proper divisors (672758636).

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

494134420 is a wasteful number, since it uses less digits than its factorization.

494134420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761 (or 759 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 494134420 is about 22229.1344860748. The cubic root of 494134420 is about 790.5846337351.

The spelling of 494134420 in words is "four hundred ninety-four million, one hundred thirty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 31 52 62 65 101 124 130 155 202 260 310 403 404 505 607 620 806 1010 1214 1313 1612 2015 2020 2428 2626 3035 3131 4030 5252 6070 6262 6565 7891 8060 12140 12524 13130 15655 15782 18817 26260 31310 31564 37634 39455 40703 61307 62620 75268 78910 81406 94085 122614 157820 162812 188170 203515 244621 245228 306535 376340 407030 489242 613070 796991 814060 978484 1223105 1226140 1593982 1900517 2446210 3187964 3801034 3984955 4892420 7602068 7969910 9502585 15939820 19005170 24706721 38010340 49413442 98826884 123533605 247067210 494134420