Search a number
-
+
157064499 = 3221798009
BaseRepresentation
bin10010101110010…
…01110100110011
3101221112200222200
421113021310303
5310202030444
623330234243
73615011664
oct1127116463
9357480880
10157064499
1180727979
1244725983
1326703597
1416c0736b
15dbc7969
hex95c9d33

157064499 has 12 divisors (see below), whose sum is σ = 227003400. Its totient is φ = 104648544.

The previous prime is 157064491. The next prime is 157064503. The reversal of 157064499 is 994460751.

157064499 is a `hidden beast` number, since 157 + 0 + 6 + 4 + 499 = 666.

It is not a de Polignac number, because 157064499 - 23 = 157064491 is a prime.

It is a super-2 number, since 2×1570644992 = 49338513692242002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157064491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15607 + ... + 23615.

It is an arithmetic number, because the mean of its divisors is an integer number (18916950).

Almost surely, 2157064499 is an apocalyptic number.

157064499 is a deficient number, since it is larger than the sum of its proper divisors (69938901).

157064499 is a wasteful number, since it uses less digits than its factorization.

157064499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10194 (or 10191 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 157064499 is about 12532.5376121518. The cubic root of 157064499 is about 539.5429362892.

The spelling of 157064499 in words is "one hundred fifty-seven million, sixty-four thousand, four hundred ninety-nine".

Divisors: 1 3 9 2179 6537 8009 19611 24027 72081 17451611 52354833 157064499