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253250425 = 5210130017
BaseRepresentation
bin11110001100001…
…00101101111001
3122122112110021101
433012010231321
51004313003200
641044011401
76163410301
oct1706045571
9578473241
10253250425
1111aa5387a
1270990b61
134061002c
14258c4601
151737726a
hexf184b79

253250425 has 6 divisors (see below), whose sum is σ = 314030558. Its totient is φ = 202600320.

The previous prime is 253250363. The next prime is 253250461. The reversal of 253250425 is 524052352.

It can be written as a sum of positive squares in 3 ways, for example, as 47155689 + 206094736 = 6867^2 + 14356^2 .

It is not a de Polignac number, because 253250425 - 213 = 253242233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253250393 and 253250402.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5064984 + ... + 5065033.

Almost surely, 2253250425 is an apocalyptic number.

253250425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253250425 is a deficient number, since it is larger than the sum of its proper divisors (60780133).

253250425 is a wasteful number, since it uses less digits than its factorization.

253250425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10130027 (or 10130022 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 253250425 is about 15913.8438159987. The cubic root of 253250425 is about 632.6789632470.

The spelling of 253250425 in words is "two hundred fifty-three million, two hundred fifty thousand, four hundred twenty-five".

Divisors: 1 5 25 10130017 50650085 253250425