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250680880 = 24531101081
BaseRepresentation
bin11101111000100…
…01011000110000
3122110200220112001
432330101120300
51003133242010
640512543344
76132516022
oct1674213060
9573626461
10250680880
1111955928a
126bb51b54
133cc205a8
1425416012
151701ac3a
hexef11630

250680880 has 40 divisors (see below), whose sum is σ = 601640064. Its totient is φ = 97036800.

The previous prime is 250680877. The next prime is 250680893. The reversal of 250680880 is 88086052.

250680880 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 48061 + ... + 53020.

Almost surely, 2250680880 is an apocalyptic number.

250680880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250680880 is an abundant number, since it is smaller than the sum of its proper divisors (350959184).

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

250680880 is a wasteful number, since it uses less digits than its factorization.

250680880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101125 (or 101119 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 250680880 is about 15832.9049766617. The cubic root of 250680880 is about 630.5319098978.

The spelling of 250680880 in words is "two hundred fifty million, six hundred eighty thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 31 40 62 80 124 155 248 310 496 620 1240 2480 101081 202162 404324 505405 808648 1010810 1617296 2021620 3133511 4043240 6267022 8086480 12534044 15667555 25068088 31335110 50136176 62670220 125340440 250680880