Search a number
-
+
157123696 = 2474313217
BaseRepresentation
bin10010101110110…
…00010001110000
3101221122201012011
421113120101300
5310210424241
623331412304
73615346402
oct1127302160
9357581164
10157123696
11807683a4
1244754094
1326724502
1416c20b72
15dbda281
hex95d8470

157123696 has 20 divisors (see below), whose sum is σ = 304859952. Its totient is φ = 78450176.

The previous prime is 157123693. The next prime is 157123697. The reversal of 157123696 is 696321751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157123693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5280 + ... + 18496.

Almost surely, 2157123696 is an apocalyptic number.

157123696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

157123696 is a deficient number, since it is larger than the sum of its proper divisors (147736256).

157123696 is a wasteful number, since it uses less digits than its factorization.

157123696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13968 (or 13962 counting only the distinct ones).

The product of its digits is 68040, while the sum is 40.

The square root of 157123696 is about 12534.8991220512. The cubic root of 157123696 is about 539.6107116546.

The spelling of 157123696 in words is "one hundred fifty-seven million, one hundred twenty-three thousand, six hundred ninety-six".

Divisors: 1 2 4 8 16 743 1486 2972 5944 11888 13217 26434 52868 105736 211472 9820231 19640462 39280924 78561848 157123696