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204056880 = 24353127427
BaseRepresentation
bin11000010100110…
…10100100110000
3112012222011102020
430022122210300
5404214310010
632125351440
75025312006
oct1412324460
9465864366
10204056880
11a5203a55
1258408580
1333377a21
141d15aa76
1512dab470
hexc29a930

204056880 has 80 divisors (see below), whose sum is σ = 653005824. Its totient is φ = 52657920.

The previous prime is 204056857. The next prime is 204056893. The reversal of 204056880 is 88650402.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6274 + ... + 21153.

Almost surely, 2204056880 is an apocalyptic number.

204056880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204056880 is an abundant number, since it is smaller than the sum of its proper divisors (448948944).

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

204056880 is a wasteful number, since it uses less digits than its factorization.

204056880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27474 (or 27468 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 204056880 is about 14284.8479165863. The cubic root of 204056880 is about 588.7312388935.

The spelling of 204056880 in words is "two hundred four million, fifty-six thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 40 48 60 62 80 93 120 124 155 186 240 248 310 372 465 496 620 744 930 1240 1488 1860 2480 3720 7440 27427 54854 82281 109708 137135 164562 219416 274270 329124 411405 438832 548540 658248 822810 850237 1097080 1316496 1645620 1700474 2194160 2550711 3291240 3400948 4251185 5101422 6582480 6801896 8502370 10202844 12753555 13603792 17004740 20405688 25507110 34009480 40811376 51014220 68018960 102028440 204056880