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380039964 = 223171862941
BaseRepresentation
bin10110101001101…
…111001100011100
3222111010000211020
4112221233030130
51234242234324
6101413324140
712263200143
oct2651571434
9874100736
10380039964
11185582717
12a7336650
1360973425
143868a75a
152356e679
hex16a6f31c

380039964 has 24 divisors (see below), whose sum is σ = 938922768. Its totient is φ = 119228160.

The previous prime is 380039963. The next prime is 380039969. The reversal of 380039964 is 469930083.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380039963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 931267 + ... + 931674.

It is an arithmetic number, because the mean of its divisors is an integer number (39121782).

Almost surely, 2380039964 is an apocalyptic number.

380039964 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

380039964 is an abundant number, since it is smaller than the sum of its proper divisors (558882804).

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

380039964 is a wasteful number, since it uses less digits than its factorization.

380039964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862965 (or 1862963 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 380039964 is about 19494.6137176401. The cubic root of 380039964 is about 724.3410351650.

The spelling of 380039964 in words is "three hundred eighty million, thirty-nine thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 1862941 3725882 5588823 7451764 11177646 22355292 31669997 63339994 95009991 126679988 190019982 380039964