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204657130 = 2534758979
BaseRepresentation
bin11000011001011…
…01000111101010
3112021002122210201
430030231013222
5404343012010
632150302414
75033362006
oct1414550752
9467078721
10204657130
11a5583a27
1258657a0a
1333527cc2
141d275706
1512e7923a
hexc32d1ea

204657130 has 16 divisors (see below), whose sum is σ = 369450720. Its totient is φ = 81625552.

The previous prime is 204657109. The next prime is 204657137. The reversal of 204657130 is 31756402.

204657130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (204657137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26020 + ... + 32959.

It is an arithmetic number, because the mean of its divisors is an integer number (23090670).

Almost surely, 2204657130 is an apocalyptic number.

204657130 is a deficient number, since it is larger than the sum of its proper divisors (164793590).

204657130 is a wasteful number, since it uses less digits than its factorization.

204657130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59333.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 204657130 is about 14305.8425127638. The cubic root of 204657130 is about 589.3079408189.

The spelling of 204657130 in words is "two hundred four million, six hundred fifty-seven thousand, one hundred thirty".

Divisors: 1 2 5 10 347 694 1735 3470 58979 117958 294895 589790 20465713 40931426 102328565 204657130