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157151706 = 23174093767
BaseRepresentation
bin10010101110111…
…11000111011010
3101221201010121120
421113133013122
5310212323311
623332150110
73615524145
oct1127370732
9357633546
10157151706
1180787448
1244768336
132673419a
1416c2b05c
15dbe3706
hex95df1da

157151706 has 32 divisors (see below), whose sum is σ = 333694080. Its totient is φ = 49168896.

The previous prime is 157151681. The next prime is 157151711. The reversal of 157151706 is 607151751.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39835 + ... + 43601.

It is an arithmetic number, because the mean of its divisors is an integer number (10427940).

Almost surely, 2157151706 is an apocalyptic number.

157151706 is an abundant number, since it is smaller than the sum of its proper divisors (176542374).

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

157151706 is a wasteful number, since it uses less digits than its factorization.

157151706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4198.

The product of its (nonzero) digits is 7350, while the sum is 33.

The square root of 157151706 is about 12536.0163528930. The cubic root of 157151706 is about 539.6427747114.

The spelling of 157151706 in words is "one hundred fifty-seven million, one hundred fifty-one thousand, seven hundred six".

Divisors: 1 2 3 6 17 34 51 102 409 818 1227 2454 3767 6953 7534 11301 13906 20859 22602 41718 64039 128078 192117 384234 1540703 3081406 4622109 9244218 26191951 52383902 78575853 157151706