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382686940 = 22531617237
BaseRepresentation
bin10110110011110…
…101011011011100
3222200002111210101
4112303311123130
51240431440230
6101550150444
712324533236
oct2663653334
9880074711
10382686940
111870203a9
12a81b2424
136138c19c
1438b79256
15238e3aca
hex16cf56dc

382686940 has 24 divisors (see below), whose sum is σ = 829567872. Its totient is φ = 148136640.

The previous prime is 382686883. The next prime is 382687003. The reversal of 382686940 is 49686283.

It is a happy number.

382686940 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 307999 + ... + 309238.

It is an arithmetic number, because the mean of its divisors is an integer number (34565328).

Almost surely, 2382686940 is an apocalyptic number.

It is an amenable number.

382686940 is an abundant number, since it is smaller than the sum of its proper divisors (446880932).

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

382686940 is a wasteful number, since it uses less digits than its factorization.

382686940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617277 (or 617275 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 382686940 is about 19562.3858463123. The cubic root of 382686940 is about 726.0188228569.

The spelling of 382686940 in words is "three hundred eighty-two million, six hundred eighty-six thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 617237 1234474 2468948 3086185 6172370 12344740 19134347 38268694 76537388 95671735 191343470 382686940