Base | Representation |
---|---|
bin | 110011010110… |
… | …011110001101 |
3 | 221022220112222 |
4 | 303112132031 |
5 | 11421231024 |
6 | 1200305125 |
7 | 222264014 |
oct | 63263615 |
9 | 27286488 |
10 | 13461389 |
11 | 7664817 |
12 | 46121a5 |
13 | 2a34226 |
14 | 1b05a7b |
15 | 12ad85e |
hex | cd678d |
13461389 has 4 divisors (see below), whose sum is σ = 13477920. Its totient is φ = 13444860.
The previous prime is 13461373. The next prime is 13461397. The reversal of 13461389 is 98316431.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 13461389 - 24 = 13461373 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13461319) 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, 6977 + ... + 8694.
It is an arithmetic number, because the mean of its divisors is an integer number (3369480).
Almost surely, 213461389 is an apocalyptic number.
It is an amenable number.
13461389 is a deficient number, since it is larger than the sum of its proper divisors (16531).
13461389 is an equidigital number, since it uses as much as digits as its factorization.
13461389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16530.
The product of its digits is 15552, while the sum is 35.
The square root of 13461389 is about 3668.9765602958. The cubic root of 13461389 is about 237.8829368047.
The spelling of 13461389 in words is "thirteen million, four hundred sixty-one thousand, three hundred eighty-nine".
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