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382970890 = 25137327893
BaseRepresentation
bin10110110100111…
…010110000001010
3222200121221022001
4112310322300022
51241020032030
6102000221214
712330125131
oct2664726012
9880557261
10382970890
111871a4775
12a830a80a
136145b4c3
1438c10918
152394ccca
hex16d3ac0a

382970890 has 16 divisors (see below), whose sum is σ = 689874408. Its totient is φ = 153071296.

The previous prime is 382970867. The next prime is 382970909. The reversal of 382970890 is 98079283.

It can be written as a sum of positive squares in 4 ways, for example, as 358458489 + 24512401 = 18933^2 + 4951^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 382970890.

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, 217 + ... + 27676.

Almost surely, 2382970890 is an apocalyptic number.

382970890 is a deficient number, since it is larger than the sum of its proper divisors (306903518).

382970890 is a wasteful number, since it uses less digits than its factorization.

382970890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29273.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 382970890 is about 19569.6420508910. The cubic root of 382970890 is about 726.1983447727.

The spelling of 382970890 in words is "three hundred eighty-two million, nine hundred seventy thousand, eight hundred ninety".

Divisors: 1 2 5 10 1373 2746 6865 13730 27893 55786 139465 278930 38297089 76594178 191485445 382970890