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157099071 = 3167313571
BaseRepresentation
bin10010101110100…
…10010000111111
3101221121110102010
421113102100333
5310204132241
623331102303
73615214533
oct1127222077
9357543363
10157099071
1180750948
1244741993
132671623c
1416c15bc3
15dbd2d16
hex95d243f

157099071 has 8 divisors (see below), whose sum is σ = 210720384. Its totient is φ = 104105240.

The previous prime is 157099043. The next prime is 157099093. The reversal of 157099071 is 170990751.

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

It is a cyclic number.

It is not a de Polignac number, because 157099071 - 210 = 157098047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157099031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156285 + ... + 157286.

It is an arithmetic number, because the mean of its divisors is an integer number (26340048).

Almost surely, 2157099071 is an apocalyptic number.

157099071 is a deficient number, since it is larger than the sum of its proper divisors (53621313).

157099071 is a wasteful number, since it uses less digits than its factorization.

157099071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313741.

The product of its (nonzero) digits is 19845, while the sum is 39.

The square root of 157099071 is about 12533.9168259567. The cubic root of 157099071 is about 539.5825202607.

The spelling of 157099071 in words is "one hundred fifty-seven million, ninety-nine thousand, seventy-one".

Divisors: 1 3 167 501 313571 940713 52366357 157099071