Base | Representation |
---|---|
bin | 110011001010… |
… | …100010001001 |
3 | 221020102110212 |
4 | 303022202021 |
5 | 11413144424 |
6 | 1155250505 |
7 | 222001316 |
oct | 63124211 |
9 | 27212425 |
10 | 13412489 |
11 | 7631002 |
12 | 45a9a35 |
13 | 2a17bac |
14 | 1ad1d0d |
15 | 129e10e |
hex | cca889 |
13412489 has 2 divisors, whose sum is σ = 13412490. Its totient is φ = 13412488.
The previous prime is 13412459. The next prime is 13412501. The reversal of 13412489 is 98421431.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12020089 + 1392400 = 3467^2 + 1180^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13412489 is a prime.
It is a super-2 number, since 2×134124892 = 359789722350242, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (13412449) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6706244 + 6706245.
It is an arithmetic number, because the mean of its divisors is an integer number (6706245).
Almost surely, 213412489 is an apocalyptic number.
It is an amenable number.
13412489 is a deficient number, since it is larger than the sum of its proper divisors (1).
13412489 is an equidigital number, since it uses as much as digits as its factorization.
13412489 is an evil number, because the sum of its binary digits is even.
The product of its digits is 6912, while the sum is 32.
The square root of 13412489 is about 3662.3065136605. The cubic root of 13412489 is about 237.5945418620.
The spelling of 13412489 in words is "thirteen million, four hundred twelve thousand, four hundred eighty-nine".
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