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250055025 = 35211303097
BaseRepresentation
bin11101110011110…
…00100101110001
3122102112010000020
432321320211301
51003003230100
640451314053
76124301253
oct1671704561
9572463006
10250055025
11119171050
126b8ab929
133ca6176c
14252d1cd3
1516e455a0
hexee78971

250055025 has 24 divisors (see below), whose sum is σ = 451009824. Its totient is φ = 121238400.

The previous prime is 250055017. The next prime is 250055051. The reversal of 250055025 is 520550052.

It is not a de Polignac number, because 250055025 - 23 = 250055017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 250054986 and 250055004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150724 + ... + 152373.

It is an arithmetic number, because the mean of its divisors is an integer number (18792076).

Almost surely, 2250055025 is an apocalyptic number.

250055025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250055025 is a deficient number, since it is larger than the sum of its proper divisors (200954799).

250055025 is a wasteful number, since it uses less digits than its factorization.

250055025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303121 (or 303116 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 250055025 is about 15813.1282483891. The cubic root of 250055025 is about 630.0067396608.

The spelling of 250055025 in words is "two hundred fifty million, fifty-five thousand, twenty-five".

Divisors: 1 3 5 11 15 25 33 55 75 165 275 825 303097 909291 1515485 3334067 4546455 7577425 10002201 16670335 22732275 50011005 83351675 250055025