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252908386 = 2923913687
BaseRepresentation
bin11110001001100…
…01001101100010
3122121220002002021
433010301031202
51004221032021
641032412054
76160454143
oct1704611542
9577802067
10252908386
1111a83a8a5
127084702a
1340520443
1425835aca
151730ac41
hexf131362

252908386 has 8 divisors (see below), whose sum is σ = 379431360. Its totient is φ = 126431268.

The previous prime is 252908347. The next prime is 252908389. The reversal of 252908386 is 683809252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (252908389) 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 3 ways as a sum of consecutive naturals, for example, 11635 + ... + 25321.

It is an arithmetic number, because the mean of its divisors is an integer number (47428920).

Almost surely, 2252908386 is an apocalyptic number.

252908386 is a deficient number, since it is larger than the sum of its proper divisors (126522974).

252908386 is a wasteful number, since it uses less digits than its factorization.

252908386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22928.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 252908386 is about 15903.0935984166. The cubic root of 252908386 is about 632.3940037035.

The spelling of 252908386 in words is "two hundred fifty-two million, nine hundred eight thousand, three hundred eighty-six".

Divisors: 1 2 9239 13687 18478 27374 126454193 252908386