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380237964 = 22331686497
BaseRepresentation
bin10110101010011…
…111100010001100
3222111111002102120
4112222133202030
51234320103324
6101421452540
712264653331
oct2652374214
9874432376
10380237964
111856a8457
12a7411150
1360a125a2
14386dc988
15235ad179
hex16a9f88c

380237964 has 12 divisors (see below), whose sum is σ = 887221944. Its totient is φ = 126745984.

The previous prime is 380237917. The next prime is 380237983. The reversal of 380237964 is 469732083.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15843237 + ... + 15843260.

It is an arithmetic number, because the mean of its divisors is an integer number (73935162).

Almost surely, 2380237964 is an apocalyptic number.

It is an amenable number.

380237964 is an abundant number, since it is smaller than the sum of its proper divisors (506983980).

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

380237964 is a wasteful number, since it uses less digits than its factorization.

380237964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31686504 (or 31686502 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 380237964 is about 19499.6913821732. The cubic root of 380237964 is about 724.4668066966.

The spelling of 380237964 in words is "three hundred eighty million, two hundred thirty-seven thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 12 31686497 63372994 95059491 126745988 190118982 380237964