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157158348 = 22319689291
BaseRepresentation
bin10010101111000…
…00101111001100
3101221201110201120
421113200233030
5310213031343
623332240540
73615552414
oct1127405714
9357643646
10157158348
1180791436
1244770150
1326737209
1416c2d644
15dbe5683
hex95e0bcc

157158348 has 24 divisors (see below), whose sum is σ = 386003520. Its totient is φ = 49628880.

The previous prime is 157158343. The next prime is 157158361. The reversal of 157158348 is 843851751.

157158348 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (157158343) 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, 344418 + ... + 344873.

It is an arithmetic number, because the mean of its divisors is an integer number (16083480).

Almost surely, 2157158348 is an apocalyptic number.

It is an amenable number.

157158348 is an abundant number, since it is smaller than the sum of its proper divisors (228845172).

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

157158348 is a wasteful number, since it uses less digits than its factorization.

157158348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689317 (or 689315 counting only the distinct ones).

The product of its digits is 134400, while the sum is 42.

The square root of 157158348 is about 12536.2812667872. The cubic root of 157158348 is about 539.6503772523.

The spelling of 157158348 in words is "one hundred fifty-seven million, one hundred fifty-eight thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 689291 1378582 2067873 2757164 4135746 8271492 13096529 26193058 39289587 52386116 78579174 157158348