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204168992 = 256380281
BaseRepresentation
bin11000010101101…
…01111100100000
3112020011212012112
430022311330200
5404231401432
632132014452
75026256606
oct1412657440
9466155175
10204168992
11a5280205
1258461428
13333b6a71
141d189876
1512dce7b2
hexc2b5f20

204168992 has 12 divisors (see below), whose sum is σ = 401957766. Its totient is φ = 102084480.

The previous prime is 204168989. The next prime is 204169001. The reversal of 204168992 is 299861402.

It can be written as a sum of positive squares in only one way, i.e., 203804176 + 364816 = 14276^2 + 604^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3190109 + ... + 3190172.

Almost surely, 2204168992 is an apocalyptic number.

It is an amenable number.

204168992 is a deficient number, since it is larger than the sum of its proper divisors (197788774).

204168992 is an equidigital number, since it uses as much as digits as its factorization.

204168992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6380291 (or 6380283 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 204168992 is about 14288.7715357199. The cubic root of 204168992 is about 588.8390384974.

The spelling of 204168992 in words is "two hundred four million, one hundred sixty-eight thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 32 6380281 12760562 25521124 51042248 102084496 204168992