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255232120 = 235111344621
BaseRepresentation
bin11110011011010…
…00100001111000
3122210021010122111
433031220201320
51010314411440
641154302104
76216302653
oct1715504170
9583233574
10255232120
11121087740
1271587934
1340b55030
1425c7c89a
15176194ea
hexf368878

255232120 has 64 divisors (see below), whose sum is σ = 674684640. Its totient is φ = 85670400.

The previous prime is 255232091. The next prime is 255232121. The reversal of 255232120 is 21232552.

255232120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 255232091 and 255232100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255232121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16591 + ... + 28030.

Almost surely, 2255232120 is an apocalyptic number.

255232120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255232120 is an abundant number, since it is smaller than the sum of its proper divisors (419452520).

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

255232120 is a wasteful number, since it uses less digits than its factorization.

255232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44656 (or 44652 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 255232120 is about 15975.9857285865. The cubic root of 255232120 is about 634.3249237572.

Adding to 255232120 its reverse (21232552), we get a palindrome (276464672).

The spelling of 255232120 in words is "two hundred fifty-five million, two hundred thirty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 13 20 22 26 40 44 52 55 65 88 104 110 130 143 220 260 286 440 520 572 715 1144 1430 2860 5720 44621 89242 178484 223105 356968 446210 490831 580073 892420 981662 1160146 1784840 1963324 2320292 2454155 2900365 3926648 4640584 4908310 5800730 6380803 9816620 11601460 12761606 19633240 23202920 25523212 31904015 51046424 63808030 127616060 255232120