Search a number
-
+
387085256 = 2348385657
BaseRepresentation
bin10111000100100…
…111001111001000
3222222100222010222
4113010213033020
51243043212011
6102224325212
712410112305
oct2704471710
9888328128
10387085256
11189554978
12a9773808
136226c13c
14395a20ac
1523eb1ddb
hex171273c8

387085256 has 8 divisors (see below), whose sum is σ = 725784870. Its totient is φ = 193542624.

The previous prime is 387085133. The next prime is 387085261. The reversal of 387085256 is 652580783.

It can be written as a sum of positive squares in only one way, i.e., 347822500 + 39262756 = 18650^2 + 6266^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24192821 + ... + 24192836.

Almost surely, 2387085256 is an apocalyptic number.

It is an amenable number.

387085256 is a deficient number, since it is larger than the sum of its proper divisors (338699614).

387085256 is a wasteful number, since it uses less digits than its factorization.

387085256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48385663 (or 48385659 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 387085256 is about 19674.4823565958. The cubic root of 387085256 is about 728.7896726458.

The spelling of 387085256 in words is "three hundred eighty-seven million, eighty-five thousand, two hundred fifty-six".

Divisors: 1 2 4 8 48385657 96771314 193542628 387085256