Base | Representation |
---|---|
bin | 110011010001… |
… | …111110011100 |
3 | 221021222021212 |
4 | 303101332130 |
5 | 11420133342 |
6 | 1200043552 |
7 | 222156224 |
oct | 63217634 |
9 | 27258255 |
10 | 13442972 |
11 | 76519a4 |
12 | 46035b8 |
13 | 2a28a2a |
14 | 1add084 |
15 | 12a8182 |
hex | cd1f9c |
13442972 has 12 divisors (see below), whose sum is σ = 23551416. Its totient is φ = 6714000.
The previous prime is 13442969. The next prime is 13442977. The reversal of 13442972 is 27924431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13442977) 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, 4847 + ... + 7097.
It is an arithmetic number, because the mean of its divisors is an integer number (1962618).
Almost surely, 213442972 is an apocalyptic number.
It is an amenable number.
13442972 is a deficient number, since it is larger than the sum of its proper divisors (10108444).
13442972 is a wasteful number, since it uses less digits than its factorization.
13442972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3748 (or 3746 counting only the distinct ones).
The product of its digits is 12096, while the sum is 32.
The square root of 13442972 is about 3666.4658732900. The cubic root of 13442972 is about 237.7744019539.
The spelling of 13442972 in words is "thirteen million, four hundred forty-two thousand, nine hundred seventy-two".
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