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378472928 = 2543275053
BaseRepresentation
bin10110100011110…
…000100111100000
3222101011102020212
4112203300213200
51233342113203
6101315553252
712243652421
oct2643604740
9871142225
10378472928
11184702349
12a68bb828
13605450a2
143839d648
15233601d8
hex168f09e0

378472928 has 24 divisors (see below), whose sum is σ = 762449688. Its totient is φ = 184834944.

The previous prime is 378472903. The next prime is 378472931. The reversal of 378472928 is 829274873.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136151 + ... + 138902.

It is an arithmetic number, because the mean of its divisors is an integer number (31768737).

Almost surely, 2378472928 is an apocalyptic number.

It is an amenable number.

378472928 is an abundant number, since it is smaller than the sum of its proper divisors (383976760).

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

378472928 is a wasteful number, since it uses less digits than its factorization.

378472928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275106 (or 275098 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 50.

The square root of 378472928 is about 19454.3806891918. The cubic root of 378472928 is about 723.3440942616.

The spelling of 378472928 in words is "three hundred seventy-eight million, four hundred seventy-two thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 16 32 43 86 172 344 688 1376 275053 550106 1100212 2200424 4400848 8801696 11827279 23654558 47309116 94618232 189236464 378472928