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157055008 = 2511446179
BaseRepresentation
bin10010101110001…
…11100000100000
3101221112012222011
421113013200200
5310201230013
623330122304
73614642215
oct1127074040
9357465864
10157055008
1180720830
1244720394
13266cc176
1416c03b0c
15dbc4c3d
hex95c7820

157055008 has 24 divisors (see below), whose sum is σ = 337312080. Its totient is φ = 71388480.

The previous prime is 157054987. The next prime is 157055023. The reversal of 157055008 is 800550751.

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 3 ways as a sum of consecutive naturals, for example, 222738 + ... + 223441.

It is an arithmetic number, because the mean of its divisors is an integer number (14054670).

Almost surely, 2157055008 is an apocalyptic number.

It is an amenable number.

157055008 is an abundant number, since it is smaller than the sum of its proper divisors (180257072).

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

157055008 is a wasteful number, since it uses less digits than its factorization.

157055008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446200 (or 446192 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 31.

The square root of 157055008 is about 12532.1589520721. The cubic root of 157055008 is about 539.5320683439.

The spelling of 157055008 in words is "one hundred fifty-seven million, fifty-five thousand, eight".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 446179 892358 1784716 3569432 4907969 7138864 9815938 14277728 19631876 39263752 78527504 157055008