Base | Representation |
---|---|
bin | 111001100010… |
… | …001000001100 |
3 | 1001101020121110 |
4 | 321202020030 |
5 | 12330110441 |
6 | 1255132020 |
7 | 242123556 |
oct | 71421014 |
9 | 31336543 |
10 | 15081996 |
11 | 8571366 |
12 | 5074010 |
13 | 3180a77 |
14 | 20084d6 |
15 | 14cdb16 |
hex | e6220c |
15081996 has 24 divisors (see below), whose sum is σ = 36327424. Its totient is φ = 4865040.
The previous prime is 15081961. The next prime is 15082049. The reversal of 15081996 is 69918051.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19900 + ... + 20643.
Almost surely, 215081996 is an apocalyptic number.
It is an amenable number.
15081996 is an abundant number, since it is smaller than the sum of its proper divisors (21245428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15081996 is a wasteful number, since it uses less digits than its factorization.
15081996 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40581 (or 40579 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 39.
The square root of 15081996 is about 3883.5545573611. The cubic root of 15081996 is about 247.0697678092.
The spelling of 15081996 in words is "fifteen million, eighty-one thousand, nine hundred ninety-six".
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