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13887083 = 73116379
BaseRepresentation
bin110100111110…
…011001101011
3222010112111102
4310332121223
512023341313
61213352015
7226016060
oct64763153
928115442
1013887083
117925631
12479860b
132b52c12
141bb6c67
151344a58
hexd3e66b

13887083 has 8 divisors (see below), whose sum is σ = 15924480. Its totient is φ = 11863080.

The previous prime is 13887061. The next prime is 13887089. The reversal of 13887083 is 38078831.

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 13887083 - 26 = 13887019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13887089) 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, 1013 + ... + 5366.

It is an arithmetic number, because the mean of its divisors is an integer number (1990560).

Almost surely, 213887083 is an apocalyptic number.

13887083 is a deficient number, since it is larger than the sum of its proper divisors (2037397).

13887083 is an equidigital number, since it uses as much as digits as its factorization.

13887083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6697.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 13887083 is about 3726.5376692045. The cubic root of 13887083 is about 240.3645097631.

The spelling of 13887083 in words is "thirteen million, eight hundred eighty-seven thousand, eighty-three".

Divisors: 1 7 311 2177 6379 44653 1983869 13887083