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238875425 = 529555017
BaseRepresentation
bin11100011110011…
…11001100100001
3121122111010110222
432033033030201
5442123003200
635411532425
75630256545
oct1617171441
9548433428
10238875425
11112925708
1267bba115
133a649009
1423a21a25
1515e87d85
hexe3cf321

238875425 has 6 divisors (see below), whose sum is σ = 296205558. Its totient is φ = 191100320.

The previous prime is 238875383. The next prime is 238875431. The reversal of 238875425 is 524578832.

It can be written as a sum of positive squares in 3 ways, for example, as 10291264 + 228584161 = 3208^2 + 15119^2 .

It is not a de Polignac number, because 238875425 - 26 = 238875361 is a prime.

It is a super-2 number, since 2×2388754252 = 114122937337861250, which contains 22 as substring.

It is a Duffinian number.

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, 4777484 + ... + 4777533.

It is an arithmetic number, because the mean of its divisors is an integer number (49367593).

Almost surely, 2238875425 is an apocalyptic number.

238875425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

238875425 is a deficient number, since it is larger than the sum of its proper divisors (57330133).

238875425 is an equidigital number, since it uses as much as digits as its factorization.

238875425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9555027 (or 9555022 counting only the distinct ones).

The product of its digits is 537600, while the sum is 44.

The square root of 238875425 is about 15455.5952651459. The cubic root of 238875425 is about 620.4743378425.

The spelling of 238875425 in words is "two hundred thirty-eight million, eight hundred seventy-five thousand, four hundred twenty-five".

Divisors: 1 5 25 9555017 47775085 238875425