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157171118 = 2136045043
BaseRepresentation
bin10010101111000…
…11110110101110
3101221202010020112
421113203312232
5310213433433
623332420022
73615634556
oct1127436656
9357663215
10157171118
118079aa95
1244777612
132673cc80
1416c34166
15dbe9348
hex95e3dae

157171118 has 8 divisors (see below), whose sum is σ = 253891848. Its totient is φ = 72540504.

The previous prime is 157171111. The next prime is 157171139. The reversal of 157171118 is 811171751.

It is a happy number.

157171118 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157171111) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3022496 + ... + 3022547.

It is an arithmetic number, because the mean of its divisors is an integer number (31736481).

Almost surely, 2157171118 is an apocalyptic number.

157171118 is a deficient number, since it is larger than the sum of its proper divisors (96720730).

157171118 is a wasteful number, since it uses less digits than its factorization.

157171118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6045058.

The product of its digits is 1960, while the sum is 32.

The square root of 157171118 is about 12536.7905781344. The cubic root of 157171118 is about 539.6649933996.

The spelling of 157171118 in words is "one hundred fifty-seven million, one hundred seventy-one thousand, one hundred eighteen".

Divisors: 1 2 13 26 6045043 12090086 78585559 157171118