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252385925 = 5211917767
BaseRepresentation
bin11110000101100…
…01101010000101
3122120220112101212
433002301222011
51004102322200
641013301205
76153150011
oct1702615205
9576815355
10252385925
1111a513310
1270634805
13403996ac
142573b541
1517256035
hexf0b1a85

252385925 has 12 divisors (see below), whose sum is σ = 341409696. Its totient is φ = 183553200.

The previous prime is 252385919. The next prime is 252385943. The reversal of 252385925 is 529583252.

It is not a de Polignac number, because 252385925 - 28 = 252385669 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 458609 + ... + 459158.

It is an arithmetic number, because the mean of its divisors is an integer number (28450808).

Almost surely, 2252385925 is an apocalyptic number.

252385925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252385925 is a deficient number, since it is larger than the sum of its proper divisors (89023771).

252385925 is a wasteful number, since it uses less digits than its factorization.

252385925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917788 (or 917783 counting only the distinct ones).

The product of its digits is 216000, while the sum is 41.

The square root of 252385925 is about 15886.6587110065. The cubic root of 252385925 is about 631.9582346018.

The spelling of 252385925 in words is "two hundred fifty-two million, three hundred eighty-five thousand, nine hundred twenty-five".

Divisors: 1 5 11 25 55 275 917767 4588835 10095437 22944175 50477185 252385925