Search a number
-
+
157157602 = 2721603649
BaseRepresentation
bin10010101111000…
…00100011100010
3101221201102200221
421113200203202
5310213020402
623332233254
73615550300
oct1127404342
9357642627
10157157602
1180790918
124476b82a
1326736a84
1416c2d270
15dbe5337
hex95e08e2

157157602 has 12 divisors (see below), whose sum is σ = 274224150. Its totient is φ = 67353216.

The previous prime is 157157593. The next prime is 157157603. The reversal of 157157602 is 206751751.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 109809441 + 47348161 = 10479^2 + 6881^2 .

It is not an unprimeable number, because it can be changed into a prime (157157603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 801727 + ... + 801922.

Almost surely, 2157157602 is an apocalyptic number.

157157602 is a deficient number, since it is larger than the sum of its proper divisors (117066548).

157157602 is a wasteful number, since it uses less digits than its factorization.

157157602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603665 (or 1603658 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 34.

The square root of 157157602 is about 12536.2515131119. The cubic root of 157157602 is about 539.6495233793.

The spelling of 157157602 in words is "one hundred fifty-seven million, one hundred fifty-seven thousand, six hundred two".

Divisors: 1 2 7 14 49 98 1603649 3207298 11225543 22451086 78578801 157157602