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157055464 = 2319631933
BaseRepresentation
bin10010101110001…
…11100111101000
3101221112020121001
421113013213220
5310201233324
623330124344
73614643436
oct1127074750
9357466531
10157055464
1180721105
12447206b4
13266cc437
1416c03d56
15dbc4e44
hex95c79e8

157055464 has 8 divisors (see below), whose sum is σ = 294479010. Its totient is φ = 78527728.

The previous prime is 157055449. The next prime is 157055467. The reversal of 157055464 is 464550751.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 152028900 + 5026564 = 12330^2 + 2242^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (157055467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9815959 + ... + 9815974.

Almost surely, 2157055464 is an apocalyptic number.

It is an amenable number.

157055464 is a deficient number, since it is larger than the sum of its proper divisors (137423546).

157055464 is a wasteful number, since it uses less digits than its factorization.

157055464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19631939 (or 19631935 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 157055464 is about 12532.1771452529. The cubic root of 157055464 is about 539.5325905099.

The spelling of 157055464 in words is "one hundred fifty-seven million, fifty-five thousand, four hundred sixty-four".

Divisors: 1 2 4 8 19631933 39263866 78527732 157055464