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15016 = 231877
BaseRepresentation
bin11101010101000
3202121011
43222220
5440031
6153304
761531
oct35250
922534
1015016
1110311
128834
136ab1
145688
1546b1
hex3aa8

15016 has 8 divisors (see below), whose sum is σ = 28170. Its totient is φ = 7504.

The previous prime is 15013. The next prime is 15017. The reversal of 15016 is 61051.

15016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12100 + 2916 = 110^2 + 54^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a plaindrome in base 14.

It is a nialpdrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 14987 and 15005.

It is not an unprimeable number, because it can be changed into a prime (15013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 931 + ... + 946.

215016 is an apocalyptic number.

15016 is the 78-th centered pentagonal number and also the 66-th centered heptagonal number.

It is an amenable number.

15016 is a deficient number, since it is larger than the sum of its proper divisors (13154).

15016 is a wasteful number, since it uses less digits than its factorization.

15016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883 (or 1879 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 15016 is about 122.5397894563. The cubic root of 15016 is about 24.6708863814.

The spelling of 15016 in words is "fifteen thousand, sixteen".

Divisors: 1 2 4 8 1877 3754 7508 15016