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255449284 = 22292202149
BaseRepresentation
bin11110011100111…
…01100011000100
3122210200011112121
433032131203010
51010343334114
641203055324
76221166046
oct1716354304
9583604477
10255449284
11121215912
1271671544
1340bccb2c
1425cd7a96
151765da24
hexf39d8c4

255449284 has 12 divisors (see below), whose sum is σ = 462451500. Its totient is φ = 123320288.

The previous prime is 255449237. The next prime is 255449329. The reversal of 255449284 is 482944552.

It can be written as a sum of positive squares in 2 ways, for example, as 47224384 + 208224900 = 6872^2 + 14430^2 .

It is a super-2 number, since 2×2554492842 = 130508673392225312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 255449284.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1100959 + ... + 1101190.

It is an arithmetic number, because the mean of its divisors is an integer number (38537625).

Almost surely, 2255449284 is an apocalyptic number.

It is an amenable number.

255449284 is a deficient number, since it is larger than the sum of its proper divisors (207002216).

255449284 is a wasteful number, since it uses less digits than its factorization.

255449284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202182 (or 2202180 counting only the distinct ones).

The product of its digits is 460800, while the sum is 43.

The square root of 255449284 is about 15982.7808594124. The cubic root of 255449284 is about 634.5047776712.

The spelling of 255449284 in words is "two hundred fifty-five million, four hundred forty-nine thousand, two hundred eighty-four".

Divisors: 1 2 4 29 58 116 2202149 4404298 8808596 63862321 127724642 255449284