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380134788 = 2231116972
BaseRepresentation
bin10110101010000…
…110010110000100
3222111021211220020
4112222012112010
51234303303123
6101415335140
712264043455
oct2652062604
9874254806
10380134788
11185637990
12a73814b0
13609a7637
14386b312c
152358c7e3
hex16a86584

380134788 has 36 divisors (see below), whose sum is σ = 968186352. Its totient is φ = 115124480.

The previous prime is 380134759. The next prime is 380134789. The reversal of 380134788 is 887431083.

It is not an unprimeable number, because it can be changed into a prime (380134789) 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, 223156 + ... + 224852.

Almost surely, 2380134788 is an apocalyptic number.

It is an amenable number.

380134788 is an abundant number, since it is smaller than the sum of its proper divisors (588051564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

380134788 is a wasteful number, since it uses less digits than its factorization.

380134788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412 (or 1713 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 380134788 is about 19497.0456223501. The cubic root of 380134788 is about 724.4012737443.

The spelling of 380134788 in words is "three hundred eighty million, one hundred thirty-four thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 1697 3394 5091 6788 10182 18667 20364 37334 56001 74668 112002 224004 2879809 5759618 8639427 11519236 17278854 31677899 34557708 63355798 95033697 126711596 190067394 380134788