Base | Representation |
---|---|
bin | 111001100011… |
… | …000110010100 |
3 | 1001101110001201 |
4 | 321203012110 |
5 | 12330222342 |
6 | 1255202244 |
7 | 242141266 |
oct | 71430624 |
9 | 31343051 |
10 | 15085972 |
11 | 8574350 |
12 | 5076384 |
13 | 3182815 |
14 | 2009b36 |
15 | 14cedb7 |
hex | e63194 |
15085972 has 12 divisors (see below), whose sum is σ = 28800576. Its totient is φ = 6857240.
The previous prime is 15085969. The next prime is 15085979. The reversal of 15085972 is 27958051.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15085979) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171388 + ... + 171475.
It is an arithmetic number, because the mean of its divisors is an integer number (2400048).
Almost surely, 215085972 is an apocalyptic number.
It is an amenable number.
15085972 is a deficient number, since it is larger than the sum of its proper divisors (13714604).
15085972 is a wasteful number, since it uses less digits than its factorization.
15085972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 342878 (or 342876 counting only the distinct ones).
The product of its (nonzero) digits is 25200, while the sum is 37.
The square root of 15085972 is about 3884.0664257966. The cubic root of 15085972 is about 247.0914772055.
The spelling of 15085972 in words is "fifteen million, eighty-five thousand, nine hundred seventy-two".
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