Base | Representation |
---|---|
bin | 111001100010… |
… | …111010100000 |
3 | 1001101102000201 |
4 | 321202322200 |
5 | 12330211331 |
6 | 1255154544 |
7 | 242136136 |
oct | 71427240 |
9 | 31342021 |
10 | 15085216 |
11 | 8573823 |
12 | 5075a54 |
13 | 3182383 |
14 | 2009756 |
15 | 14cea61 |
hex | e62ea0 |
15085216 has 24 divisors (see below), whose sum is σ = 29786400. Its totient is φ = 7520448.
The previous prime is 15085211. The next prime is 15085229. The reversal of 15085216 is 61258051.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15085211) 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, 18775 + ... + 19561.
It is an arithmetic number, because the mean of its divisors is an integer number (1241100).
Almost surely, 215085216 is an apocalyptic number.
15085216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
15085216 is a deficient number, since it is larger than the sum of its proper divisors (14701184).
15085216 is an equidigital number, since it uses as much as digits as its factorization.
15085216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1396 (or 1388 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 28.
The square root of 15085216 is about 3883.9691038936. The cubic root of 15085216 is about 247.0873496562.
It can be divided in two parts, 1508 and 5216, that added together give a square (6724 = 822).
The spelling of 15085216 in words is "fifteen million, eighty-five thousand, two hundred sixteen".
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