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255504492 = 223217417491
BaseRepresentation
bin11110011101010…
…11000001101100
3122210202222021100
433032223001230
51010402120432
641204203100
76221516025
oct1716530154
9583688240
10255504492
11121253341
1271699490
1340c1bcb9
1425d0dc4c
151767007c
hexf3ab06c

255504492 has 36 divisors (see below), whose sum is σ = 683851896. Its totient is φ = 80158080.

The previous prime is 255504463. The next prime is 255504503. The reversal of 255504492 is 294405552.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208134 + ... + 209357.

It is an arithmetic number, because the mean of its divisors is an integer number (18995886).

Almost surely, 2255504492 is an apocalyptic number.

It is an amenable number.

255504492 is an abundant number, since it is smaller than the sum of its proper divisors (428347404).

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

255504492 is a wasteful number, since it uses less digits than its factorization.

255504492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417518 (or 417513 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 255504492 is about 15984.5078748143. The cubic root of 255504492 is about 634.5504843518.

The spelling of 255504492 in words is "two hundred fifty-five million, five hundred four thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 306 612 417491 834982 1252473 1669964 2504946 3757419 5009892 7097347 7514838 14194694 15029676 21292041 28389388 42584082 63876123 85168164 127752246 255504492