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204102653 = 5917411987
BaseRepresentation
bin11000010101001…
…01101111111101
3112020001111012112
430022211233331
5404222241103
632130343405
75025562316
oct1412455775
9466044175
10204102653
11a5235387
125842ab65
1333392801
141d16d60d
1512db9cd8
hexc2a5bfd

204102653 has 8 divisors (see below), whose sum is σ = 207785760. Its totient is φ = 200427120.

The previous prime is 204102611. The next prime is 204102673. The reversal of 204102653 is 356201402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204102653 - 222 = 199908349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204102673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101726 + ... + 103712.

It is an arithmetic number, because the mean of its divisors is an integer number (25973220).

Almost surely, 2204102653 is an apocalyptic number.

It is an amenable number.

204102653 is a deficient number, since it is larger than the sum of its proper divisors (3683107).

204102653 is a wasteful number, since it uses less digits than its factorization.

204102653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 204102653 is about 14286.4499789136. The cubic root of 204102653 is about 588.7752560001.

The spelling of 204102653 in words is "two hundred four million, one hundred two thousand, six hundred fifty-three".

Divisors: 1 59 1741 1987 102719 117233 3459367 204102653