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157040736 = 25312792
BaseRepresentation
bin10010101110001…
…00000001100000
3101221111111101120
421113010001200
5310200300421
623325532240
73614552466
oct1127040140
9357444346
10157040736
1180711036
1244714080
13266c5818
1416bdc836
15dbc08c6
hex95c4060

157040736 has 36 divisors (see below), whose sum is σ = 412554492. Its totient is φ = 52305984.

The previous prime is 157040683. The next prime is 157040743. The reversal of 157040736 is 637040751.

It is a junction number, because it is equal to n+sod(n) for n = 157040697 and 157040706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122145 + ... + 123423.

It is an arithmetic number, because the mean of its divisors is an integer number (11459847).

Almost surely, 2157040736 is an apocalyptic number.

157040736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

157040736 is an abundant number, since it is smaller than the sum of its proper divisors (255513756).

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

157040736 is an frugal number, since it uses more digits than its factorization.

157040736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571 (or 1284 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 157040736 is about 12531.5895240787. The cubic root of 157040736 is about 539.5157249513.

The spelling of 157040736 in words is "one hundred fifty-seven million, forty thousand, seven hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1279 2558 3837 5116 7674 10232 15348 20464 30696 40928 61392 122784 1635841 3271682 4907523 6543364 9815046 13086728 19630092 26173456 39260184 52346912 78520368 157040736