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250169425 = 52111019007
BaseRepresentation
bin11101110100101…
…00100001010001
3122102201220221021
432322110201101
51003020410200
640453555441
76125255632
oct1672244121
9572656837
10250169425
11119239aa0
126b945b81
133caa185c
1425321889
1516e6941a
hexee94851

250169425 has 24 divisors (see below), whose sum is σ = 341799552. Its totient is φ = 180120000.

The previous prime is 250169417. The next prime is 250169429. The reversal of 250169425 is 524961052.

It is a happy number.

It is not a de Polignac number, because 250169425 - 23 = 250169417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250169429) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 23272 + ... + 32278.

It is an arithmetic number, because the mean of its divisors is an integer number (14241648).

Almost surely, 2250169425 is an apocalyptic number.

250169425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250169425 is a deficient number, since it is larger than the sum of its proper divisors (91630127).

250169425 is a wasteful number, since it uses less digits than its factorization.

250169425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9129 (or 9124 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 250169425 is about 15816.7450823486. The cubic root of 250169425 is about 630.1028008947.

The spelling of 250169425 in words is "two hundred fifty million, one hundred sixty-nine thousand, four hundred twenty-five".

Divisors: 1 5 11 25 55 101 275 505 1111 2525 5555 9007 27775 45035 99077 225175 495385 909707 2476925 4548535 10006777 22742675 50033885 250169425