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255631112 = 231127710487
BaseRepresentation
bin11110011110010…
…01111100001000
3122211000101221222
433033021330020
51010420143422
641211021212
76222554132
oct1717117410
9584011858
10255631112
1112132a490
127173a808
1340c64819
1425d44052
1517697842
hexf3c9f08

255631112 has 32 divisors (see below), whose sum is σ = 524819520. Its totient is φ = 115765440.

The previous prime is 255631109. The next prime is 255631127. The reversal of 255631112 is 211136552.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19133 + ... + 29619.

It is an arithmetic number, because the mean of its divisors is an integer number (16400610).

Almost surely, 2255631112 is an apocalyptic number.

255631112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

255631112 is an abundant number, since it is smaller than the sum of its proper divisors (269188408).

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

255631112 is a wasteful number, since it uses less digits than its factorization.

255631112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10781 (or 10777 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 255631112 is about 15988.4680942234. The cubic root of 255631112 is about 634.6552881368.

Adding to 255631112 its reverse (211136552), we get a palindrome (466767664).

The spelling of 255631112 in words is "two hundred fifty-five million, six hundred thirty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 277 554 1108 2216 3047 6094 10487 12188 20974 24376 41948 83896 115357 230714 461428 922856 2904899 5809798 11619596 23239192 31953889 63907778 127815556 255631112