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204068 = 22173001
BaseRepresentation
bin110001110100100100
3101100221002
4301310210
523012233
64212432
71506644
oct616444
9340832
10204068
1112a357
129a118
1371b67
1454524
15406e8
hex31d24

204068 has 12 divisors (see below), whose sum is σ = 378252. Its totient is φ = 96000.

The previous prime is 204067. The next prime is 204101. The reversal of 204068 is 860402.

It can be written as a sum of positive squares in 2 ways, for example, as 135424 + 68644 = 368^2 + 262^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204067) 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, 1433 + ... + 1568.

It is an arithmetic number, because the mean of its divisors is an integer number (31521).

2204068 is an apocalyptic number.

It is an amenable number.

204068 is a deficient number, since it is larger than the sum of its proper divisors (174184).

204068 is a wasteful number, since it uses less digits than its factorization.

204068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022 (or 3020 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 204068 is about 451.7388626187. The cubic root of 204068 is about 58.8741932926.

The spelling of 204068 in words is "two hundred four thousand, sixty-eight".

Divisors: 1 2 4 17 34 68 3001 6002 12004 51017 102034 204068