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255009456 = 243213136223
BaseRepresentation
bin11110011001100…
…10001010110000
3122202211211012200
433030302022300
51010240300311
641145423200
76214354542
oct1714621260
9582754180
10255009456
11120a45419
127149ab00
1340aa7890
1425c21692
15175c3556
hexf3322b0

255009456 has 60 divisors (see below), whose sum is σ = 768575808. Its totient is φ = 78463872.

The previous prime is 255009421. The next prime is 255009457. The reversal of 255009456 is 654900552.

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

It is a self number, because there is not a number n which added to its sum of digits gives 255009456.

It is not an unprimeable number, because it can be changed into a prime (255009457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66240 + ... + 69983.

Almost surely, 2255009456 is an apocalyptic number.

255009456 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

255009456 is an abundant number, since it is smaller than the sum of its proper divisors (513566352).

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

255009456 is a wasteful number, since it uses less digits than its factorization.

255009456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136250 (or 136241 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 255009456 is about 15969.0154987714. The cubic root of 255009456 is about 634.1404088175.

The spelling of 255009456 in words is "two hundred fifty-five million, nine thousand, four hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 48 52 72 78 104 117 144 156 208 234 312 468 624 936 1872 136223 272446 408669 544892 817338 1089784 1226007 1634676 1770899 2179568 2452014 3269352 3541798 4904028 5312697 6538704 7083596 9808056 10625394 14167192 15938091 19616112 21250788 28334384 31876182 42501576 63752364 85003152 127504728 255009456