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157616472 = 23313505181
BaseRepresentation
bin10010110010100…
…00100101011000
3101222120202011010
421121100211120
5310322211342
623350133520
73622501146
oct1131204530
9358522133
10157616472
1180a74652
12449512a0
13268678b0
1416d0c596
15dc8629c
hex9650958

157616472 has 32 divisors (see below), whose sum is σ = 424352880. Its totient is φ = 48497280.

The previous prime is 157616441. The next prime is 157616477. The reversal of 157616472 is 274616751.

157616472 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 157616472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157616477) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 252279 + ... + 252902.

Almost surely, 2157616472 is an apocalyptic number.

157616472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157616472 is an abundant number, since it is smaller than the sum of its proper divisors (266736408).

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

157616472 is a wasteful number, since it uses less digits than its factorization.

157616472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505203 (or 505199 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 157616472 is about 12554.5398959898. The cubic root of 157616472 is about 540.1742373271.

The spelling of 157616472 in words is "one hundred fifty-seven million, six hundred sixteen thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 505181 1010362 1515543 2020724 3031086 4041448 6062172 6567353 12124344 13134706 19702059 26269412 39404118 52538824 78808236 157616472