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157087198 = 2269929101
BaseRepresentation
bin10010101110011…
…11010111011110
3101221120212010101
421113033113132
5310203242243
623330531314
73615135112
oct1127172736
9357525111
10157087198
1180742a34
1244736b3a
1326710a08
1416c11742
15dbce54d
hex95cf5de

157087198 has 8 divisors (see below), whose sum is σ = 235726200. Its totient is φ = 78511800.

The previous prime is 157087159. The next prime is 157087201. The reversal of 157087198 is 891780751.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9153 + ... + 19948.

It is an arithmetic number, because the mean of its divisors is an integer number (29465775).

Almost surely, 2157087198 is an apocalyptic number.

157087198 is a deficient number, since it is larger than the sum of its proper divisors (78639002).

157087198 is a wasteful number, since it uses less digits than its factorization.

157087198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31802.

The product of its (nonzero) digits is 141120, while the sum is 46.

The square root of 157087198 is about 12533.4431821427. The cubic root of 157087198 is about 539.5689266631.

The spelling of 157087198 in words is "one hundred fifty-seven million, eighty-seven thousand, one hundred ninety-eight".

Divisors: 1 2 2699 5398 29101 58202 78543599 157087198