Base | Representation |
---|---|
bin | 110001110111… |
… | …010001110000 |
3 | 220121002200121 |
4 | 301313101300 |
5 | 11321241342 |
6 | 1144100024 |
7 | 216051151 |
oct | 61672160 |
9 | 26532617 |
10 | 13071472 |
11 | 7418877 |
12 | 4464614 |
13 | 29288cb |
14 | 1a43928 |
15 | 1233067 |
hex | c77470 |
13071472 has 20 divisors (see below), whose sum is σ = 25500600. Its totient is φ = 6490688.
The previous prime is 13071469. The next prime is 13071473. The reversal of 13071472 is 27417031.
It is a happy number.
13071472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13071473) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358 + ... + 5125.
It is an arithmetic number, because the mean of its divisors is an integer number (1275030).
Almost surely, 213071472 is an apocalyptic number.
It is an amenable number.
13071472 is a deficient number, since it is larger than the sum of its proper divisors (12429128).
13071472 is a wasteful number, since it uses less digits than its factorization.
13071472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5640 (or 5634 counting only the distinct ones).
The product of its (nonzero) digits is 1176, while the sum is 25.
The square root of 13071472 is about 3615.4490730752. The cubic root of 13071472 is about 235.5635906967.
The spelling of 13071472 in words is "thirteen million, seventy-one thousand, four hundred seventy-two".
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