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380439882 = 23364710889
BaseRepresentation
bin10110101011010…
…000110101001010
3222111212100102000
4112223100311022
51234343034012
6101430051430
712266454114
oct2653206512
9874770360
10380439882
11185826129
12a74a9b76
1360a83474
14387523b4
15235ecddc
hex16ad0d4a

380439882 has 32 divisors (see below), whose sum is σ = 846806400. Its totient is φ = 126605664.

The previous prime is 380439853. The next prime is 380439901. The reversal of 380439882 is 288934083.

380439882 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29494 + ... + 40382.

It is an arithmetic number, because the mean of its divisors is an integer number (26462700).

Almost surely, 2380439882 is an apocalyptic number.

380439882 is an abundant number, since it is smaller than the sum of its proper divisors (466366518).

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

380439882 is a wasteful number, since it uses less digits than its factorization.

380439882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11547 (or 11541 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 380439882 is about 19504.8681615642. The cubic root of 380439882 is about 724.5950220219.

The spelling of 380439882 in words is "three hundred eighty million, four hundred thirty-nine thousand, eight hundred eighty-two".

Divisors: 1 2 3 6 9 18 27 54 647 1294 1941 3882 5823 10889 11646 17469 21778 32667 34938 65334 98001 196002 294003 588006 7045183 14090366 21135549 42271098 63406647 126813294 190219941 380439882