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255568900 = 22525095021
BaseRepresentation
bin11110011101110…
…10110000000100
3122210220020121211
433032322300010
51010411201100
641205421204
76222204556
oct1716726004
9583806554
10255568900
11121297774
127170a804
1340c42402
1425d294d6
15176841ba
hexf3bac04

255568900 has 36 divisors (see below), whose sum is σ = 555784740. Its totient is φ = 102006400.

The previous prime is 255568889. The next prime is 255568931. The reversal of 255568900 is 9865552.

255568900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 17422276 + 238146624 = 4174^2 + 15432^2 .

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, 48390 + ... + 53410.

It is an arithmetic number, because the mean of its divisors is an integer number (15438465).

Almost surely, 2255568900 is an apocalyptic number.

255568900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255568900 is an abundant number, since it is smaller than the sum of its proper divisors (300215840).

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

255568900 is a wasteful number, since it uses less digits than its factorization.

255568900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5544 (or 5537 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 255568900 is about 15986.5224486128. The cubic root of 255568900 is about 634.6037993882.

The spelling of 255568900 in words is "two hundred fifty-five million, five hundred sixty-eight thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 509 1018 2036 2545 5021 5090 10042 10180 12725 20084 25105 25450 50210 50900 100420 125525 251050 502100 2555689 5111378 10222756 12778445 25556890 51113780 63892225 127784450 255568900