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382986920 = 2359574673
BaseRepresentation
bin10110110100111…
…110101010101000
3222200122202021202
4112310332222220
51241021040140
6102000423332
712330222641
oct2664765250
9880582252
10382986920
11187205818
12a8317b48
13614658a4
1438c166c8
1523952915
hex16d3eaa8

382986920 has 16 divisors (see below), whose sum is σ = 861720660. Its totient is φ = 153194752.

The previous prime is 382986917. The next prime is 382986937. The reversal of 382986920 is 29689283.

It can be written as a sum of positive squares in 2 ways, for example, as 373339684 + 9647236 = 19322^2 + 3106^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4787297 + ... + 4787376.

Almost surely, 2382986920 is an apocalyptic number.

It is an amenable number.

382986920 is an abundant number, since it is smaller than the sum of its proper divisors (478733740).

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

382986920 is a wasteful number, since it uses less digits than its factorization.

382986920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9574684 (or 9574680 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 382986920 is about 19570.0516095385. The cubic root of 382986920 is about 726.2084767848.

The spelling of 382986920 in words is "three hundred eighty-two million, nine hundred eighty-six thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 9574673 19149346 38298692 47873365 76597384 95746730 191493460 382986920