Base | Representation |
---|---|
bin | 110001111000… |
… | …001010000000 |
3 | 220121021121221 |
4 | 301320022000 |
5 | 11321400242 |
6 | 1144124424 |
7 | 216064513 |
oct | 61701200 |
9 | 26537557 |
10 | 13075072 |
11 | 742054a |
12 | 4466714 |
13 | 292a43a |
14 | 1a44d7a |
15 | 1234167 |
hex | c78280 |
13075072 has 16 divisors (see below), whose sum is σ = 26048250. Its totient is φ = 6537472.
The previous prime is 13075067. The next prime is 13075081. The reversal of 13075072 is 27057031.
It can be written as a sum of positive squares in only one way, i.e., 12787776 + 287296 = 3576^2 + 536^2 .
It is a tau number, because it is divible by the number of its divisors (16).
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50947 + ... + 51202.
Almost surely, 213075072 is an apocalyptic number.
It is an amenable number.
13075072 is a deficient number, since it is larger than the sum of its proper divisors (12973178).
13075072 is an equidigital number, since it uses as much as digits as its factorization.
13075072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102163 (or 102151 counting only the distinct ones).
The product of its (nonzero) digits is 1470, while the sum is 25.
The square root of 13075072 is about 3615.9469022650. The cubic root of 13075072 is about 235.5852141499.
The spelling of 13075072 in words is "thirteen million, seventy-five thousand, seventy-two".
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