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157126816 = 25711431483
BaseRepresentation
bin10010101110110…
…01000010100000
3101221122212110201
421113121002200
5310211024231
623331434544
73615361450
oct1127310240
9357585421
10157126816
118076a780
1244755a54
1326725a62
1416c21d60
15dbdb161
hex95d90a0

157126816 has 96 divisors (see below), whose sum is σ = 394910208. Its totient is φ = 59754240.

The previous prime is 157126799. The next prime is 157126861. The reversal of 157126816 is 618621751.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105211 + ... + 106693.

It is an arithmetic number, because the mean of its divisors is an integer number (4113648).

Almost surely, 2157126816 is an apocalyptic number.

157126816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157126816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197455104).

157126816 is an abundant number, since it is smaller than the sum of its proper divisors (237783392).

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

157126816 is a wasteful number, since it uses less digits than its factorization.

157126816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554 (or 1546 counting only the distinct ones).

The product of its digits is 20160, while the sum is 37.

The square root of 157126816 is about 12535.0235739707. The cubic root of 157126816 is about 539.6142833082.

The spelling of 157126816 in words is "one hundred fifty-seven million, one hundred twenty-six thousand, eight hundred sixteen".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 43 44 56 77 86 88 112 154 172 176 224 301 308 344 352 473 602 616 688 946 1204 1232 1376 1483 1892 2408 2464 2966 3311 3784 4816 5932 6622 7568 9632 10381 11864 13244 15136 16313 20762 23728 26488 32626 41524 47456 52976 63769 65252 83048 105952 114191 127538 130504 166096 228382 255076 261008 332192 446383 456764 510152 522016 701459 892766 913528 1020304 1402918 1785532 1827056 2040608 2805836 3571064 3654112 4910213 5611672 7142128 9820426 11223344 14284256 19640852 22446688 39281704 78563408 157126816