Base | Representation |
---|---|
bin | 111001100001… |
… | …101010001000 |
3 | 1001101010222012 |
4 | 321201222020 |
5 | 12330030242 |
6 | 1255115052 |
7 | 242115140 |
oct | 71415210 |
9 | 31333865 |
10 | 15080072 |
11 | 856a977 |
12 | 5072a88 |
13 | 317cc27 |
14 | 2007920 |
15 | 14cd282 |
hex | e61a88 |
15080072 has 32 divisors (see below), whose sum is σ = 34017600. Its totient is φ = 6122304.
The previous prime is 15080069. The next prime is 15080081. The reversal of 15080072 is 27008051.
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, 6023 + ... + 8150.
It is an arithmetic number, because the mean of its divisors is an integer number (1063050).
Almost surely, 215080072 is an apocalyptic number.
It is an amenable number.
15080072 is an abundant number, since it is smaller than the sum of its proper divisors (18937528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15080072 is a wasteful number, since it uses less digits than its factorization.
15080072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14205 (or 14201 counting only the distinct ones).
The product of its (nonzero) digits is 560, while the sum is 23.
The square root of 15080072 is about 3883.3068382501. The cubic root of 15080072 is about 247.0592611881.
The spelling of 15080072 in words is "fifteen million, eighty thousand, seventy-two".
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