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378685276 = 221938912809
BaseRepresentation
bin10110100100100…
…100011101011100
3222101120012112121
4112210210131130
51233420412101
6101324312324
712245525464
oct2644443534
9871505477
10378685276
11184837942
12a69a26a4
13605ba938
1438416ba4
15233a30a1
hex1692475c

378685276 has 24 divisors (see below), whose sum is σ = 699426000. Its totient is φ = 178902144.

The previous prime is 378685247. The next prime is 378685291. The reversal of 378685276 is 672586873.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 23160 + ... + 35968.

It is an arithmetic number, because the mean of its divisors is an integer number (29142750).

Almost surely, 2378685276 is an apocalyptic number.

It is an amenable number.

378685276 is a deficient number, since it is larger than the sum of its proper divisors (320740724).

378685276 is a wasteful number, since it uses less digits than its factorization.

378685276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13221 (or 13219 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 52.

The square root of 378685276 is about 19459.8375121685. The cubic root of 378685276 is about 723.4793500423.

The spelling of 378685276 in words is "three hundred seventy-eight million, six hundred eighty-five thousand, two hundred seventy-six".

Divisors: 1 2 4 19 38 76 389 778 1556 7391 12809 14782 25618 29564 51236 243371 486742 973484 4982701 9965402 19930804 94671319 189342638 378685276