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13875969 = 323201101
BaseRepresentation
bin110100111011…
…101100000001
3222002222020210
4310323230001
512023012334
61213224333
7225641502
oct64735401
928088223
1013875969
117918248
1247920a9
132b4ab43
141bb2ba9
1513415e9
hexd3bb01

13875969 has 8 divisors (see below), whose sum is σ = 19305792. Its totient is φ = 8848400.

The previous prime is 13875937. The next prime is 13875977. The reversal of 13875969 is 96957831.

13875969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13875969 - 25 = 13875937 is a prime.

It is a super-2 number, since 2×138759692 = 385085031377922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13875919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100482 + ... + 100619.

It is an arithmetic number, because the mean of its divisors is an integer number (2413224).

Almost surely, 213875969 is an apocalyptic number.

It is an amenable number.

13875969 is a deficient number, since it is larger than the sum of its proper divisors (5429823).

13875969 is a wasteful number, since it uses less digits than its factorization.

13875969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201127.

The product of its digits is 408240, while the sum is 48.

The square root of 13875969 is about 3725.0461742105. The cubic root of 13875969 is about 240.3003704443.

The spelling of 13875969 in words is "thirteen million, eight hundred seventy-five thousand, nine hundred sixty-nine".

Divisors: 1 3 23 69 201101 603303 4625323 13875969