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382752225 = 32521701121
BaseRepresentation
bin10110110100000…
…101010111100001
3222200012211100100
4112310011113201
51240441032400
6101551413013
712325224462
oct2664052741
9880184310
10382752225
11187065459
12a8224169
13613b2b0b
1438b94d69
1523908100
hex16d055e1

382752225 has 18 divisors (see below), whose sum is σ = 685552166. Its totient is φ = 204134400.

The previous prime is 382752217. The next prime is 382752239. The reversal of 382752225 is 522257283.

It is a happy number.

382752225 is a `hidden beast` number, since 382 + 7 + 52 + 225 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 21790224 + 360962001 = 4668^2 + 18999^2 .

It is not a de Polignac number, because 382752225 - 23 = 382752217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 382752225.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 850336 + ... + 850785.

Almost surely, 2382752225 is an apocalyptic number.

It is an amenable number.

382752225 is a deficient number, since it is larger than the sum of its proper divisors (302799941).

382752225 is a wasteful number, since it uses less digits than its factorization.

382752225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701137 (or 1701129 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 382752225 is about 19564.0544110877. The cubic root of 382752225 is about 726.0601058995.

The spelling of 382752225 in words is "three hundred eighty-two million, seven hundred fifty-two thousand, two hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 1701121 5103363 8505605 15310089 25516815 42528025 76550445 127584075 382752225