Base | Representation |
---|---|
bin | 110010101111… |
… | …100011010100 |
3 | 221000210212122 |
4 | 302233203110 |
5 | 11401130342 |
6 | 1153035112 |
7 | 221031155 |
oct | 62574324 |
9 | 27023778 |
10 | 13301972 |
11 | 7565a72 |
12 | 4555a98 |
13 | 29a97b8 |
14 | 1aa392c |
15 | 127b4d2 |
hex | caf8d4 |
13301972 has 12 divisors (see below), whose sum is σ = 23339316. Its totient is φ = 6633600.
The previous prime is 13301971. The next prime is 13301983. The reversal of 13301972 is 27910331.
It can be written as a sum of positive squares in 2 ways, for example, as 9156676 + 4145296 = 3026^2 + 2036^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13301971) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2543 + ... + 5750.
It is an arithmetic number, because the mean of its divisors is an integer number (1944943).
Almost surely, 213301972 is an apocalyptic number.
It is an amenable number.
13301972 is a deficient number, since it is larger than the sum of its proper divisors (10037344).
13301972 is a wasteful number, since it uses less digits than its factorization.
13301972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8698 (or 8696 counting only the distinct ones).
The product of its (nonzero) digits is 1134, while the sum is 26.
The square root of 13301972 is about 3647.1868611301. The cubic root of 13301972 is about 236.9401594842.
The spelling of 13301972 in words is "thirteen million, three hundred one thousand, nine hundred seventy-two".
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