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380878528 = 2623353733
BaseRepresentation
bin10110101100111…
…011111011000000
3222112200122010011
4112230323323000
51240001103103
6101443314304
712303262012
oct2654737300
9875618104
10380878528
11185aa5748
12a767b994
1360ba8014
14388281b2
1523687d6d
hex16b3bec0

380878528 has 56 divisors (see below), whose sum is σ = 791980128. Its totient is φ = 181395456.

The previous prime is 380878517. The next prime is 380878549. The reversal of 380878528 is 825878083.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519250 + ... + 519982.

Almost surely, 2380878528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 380878528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395990064).

380878528 is an abundant number, since it is smaller than the sum of its proper divisors (411101600).

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

380878528 is a wasteful number, since it uses less digits than its factorization.

380878528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121 (or 1111 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 49.

The square root of 380878528 is about 19516.1094483506. The cubic root of 380878528 is about 724.8734003280.

The spelling of 380878528 in words is "three hundred eighty million, eight hundred seventy-eight thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 16 23 32 46 64 92 184 353 368 706 733 736 1412 1466 1472 2824 2932 5648 5864 8119 11296 11728 16238 16859 22592 23456 32476 33718 46912 64952 67436 129904 134872 258749 259808 269744 517498 519616 539488 1034996 1078976 2069992 4139984 5951227 8279968 11902454 16559936 23804908 47609816 95219632 190439264 380878528