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157092146 = 2137573329
BaseRepresentation
bin10010101110100…
…00100100110010
3101221121002220122
421113100210302
5310203422041
623331010242
73615155411
oct1127204462
9357532818
10157092146
1180746722
1244739982
1326713043
1416c13478
15dbd0c4b
hex95d0932

157092146 has 8 divisors (see below), whose sum is σ = 237358620. Its totient is φ = 77972608.

The previous prime is 157092137. The next prime is 157092193. The reversal of 157092146 is 641290751.

It can be written as a sum of positive squares in 2 ways, for example, as 155625625 + 1466521 = 12475^2 + 1211^2 .

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

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, 286391 + ... + 286938.

Almost surely, 2157092146 is an apocalyptic number.

157092146 is a deficient number, since it is larger than the sum of its proper divisors (80266474).

157092146 is a wasteful number, since it uses less digits than its factorization.

157092146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573468.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 157092146 is about 12533.6405724753. The cubic root of 157092146 is about 539.5745917948.

The spelling of 157092146 in words is "one hundred fifty-seven million, ninety-two thousand, one hundred forty-six".

Divisors: 1 2 137 274 573329 1146658 78546073 157092146