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13875245 = 56594211
BaseRepresentation
bin110100111011…
…100000101101
3222002221020222
4310323200231
512023001440
61213221125
7225636416
oct64734055
928087228
1013875245
11791774a
1247917a5
132b4a707
141bb280d
1513412b5
hexd3b82d

13875245 has 8 divisors (see below), whose sum is σ = 16679520. Its totient is φ = 11080720.

The previous prime is 13875217. The next prime is 13875269. The reversal of 13875245 is 54257831.

It is a happy number.

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

It is not a de Polignac number, because 13875245 - 26 = 13875181 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 1190 + ... + 5400.

It is an arithmetic number, because the mean of its divisors is an integer number (2084940).

Almost surely, 213875245 is an apocalyptic number.

It is an amenable number.

13875245 is a deficient number, since it is larger than the sum of its proper divisors (2804275).

13875245 is an equidigital number, since it uses as much as digits as its factorization.

13875245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4875.

The product of its digits is 33600, while the sum is 35.

The square root of 13875245 is about 3724.9489929394. The cubic root of 13875245 is about 240.2961910246.

The spelling of 13875245 in words is "thirteen million, eight hundred seventy-five thousand, two hundred forty-five".

Divisors: 1 5 659 3295 4211 21055 2775049 13875245