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204132630 = 23513523417
BaseRepresentation
bin11000010101011…
…01000100010110
3112020010000022210
430022231010112
5404224221010
632131134250
75026045602
oct1412550426
9466100283
10204132630
11a5255959
1258444386
13333a3350
141d17a502
1512dc3b20
hexc2ad116

204132630 has 32 divisors (see below), whose sum is σ = 527605344. Its totient is φ = 50247936.

The previous prime is 204132623. The next prime is 204132671. The reversal of 204132630 is 36231402.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 204132597 and 204132606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261319 + ... + 262098.

It is an arithmetic number, because the mean of its divisors is an integer number (16487667).

Almost surely, 2204132630 is an apocalyptic number.

204132630 is an abundant number, since it is smaller than the sum of its proper divisors (323472714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204132630 is a wasteful number, since it uses less digits than its factorization.

204132630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523440.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 204132630 is about 14287.4990813648. The cubic root of 204132630 is about 588.8040794893.

The spelling of 204132630 in words is "two hundred four million, one hundred thirty-two thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 523417 1046834 1570251 2617085 3140502 5234170 6804421 7851255 13608842 15702510 20413263 34022105 40826526 68044210 102066315 204132630