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252055684 = 22193326497
BaseRepresentation
bin11110000011000…
…01000010000100
3122120021202101201
433001201002010
51004011240214
641002232244
76150303136
oct1701410204
9576252351
10252055684
1111a308191
12704b5684
13402b229a
1425693056
15171dd274
hexf061084

252055684 has 12 divisors (see below), whose sum is σ = 443384284. Its totient is φ = 125374464.

The previous prime is 252055681. The next prime is 252055703. The reversal of 252055684 is 486550252.

It can be written as a sum of positive squares in 2 ways, for example, as 93547584 + 158508100 = 9672^2 + 12590^2 .

It is not an unprimeable number, because it can be changed into a prime (252055681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162477 + ... + 164020.

Almost surely, 2252055684 is an apocalyptic number.

It is an amenable number.

252055684 is a deficient number, since it is larger than the sum of its proper divisors (191328600).

252055684 is a wasteful number, since it uses less digits than its factorization.

252055684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326694 (or 326692 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The square root of 252055684 is about 15876.2616506532. The cubic root of 252055684 is about 631.6824801710.

The spelling of 252055684 in words is "two hundred fifty-two million, fifty-five thousand, six hundred eighty-four".

Divisors: 1 2 4 193 386 772 326497 652994 1305988 63013921 126027842 252055684