Base | Representation |
---|---|
bin | 110100010110… |
… | …001000001101 |
3 | 221211011012212 |
4 | 310112020031 |
5 | 12003102000 |
6 | 1210040205 |
7 | 224431124 |
oct | 64261015 |
9 | 27734185 |
10 | 13722125 |
11 | 78226aa |
12 | 4719065 |
13 | 2ac5b01 |
14 | 1b72abb |
15 | 1310c35 |
hex | d1620d |
13722125 has 16 divisors (see below), whose sum is σ = 17262336. Its totient is φ = 10890000.
The previous prime is 13722103. The next prime is 13722143. The reversal of 13722125 is 52122731.
It is a happy number.
It is not a de Polignac number, because 13722125 - 218 = 13459981 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13722125.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18512 + ... + 19238.
It is an arithmetic number, because the mean of its divisors is an integer number (1078896).
Almost surely, 213722125 is an apocalyptic number.
It is an amenable number.
13722125 is a deficient number, since it is larger than the sum of its proper divisors (3540211).
13722125 is an equidigital number, since it uses as much as digits as its factorization.
13722125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 893 (or 883 counting only the distinct ones).
The product of its digits is 840, while the sum is 23.
The square root of 13722125 is about 3704.3386724218. The cubic root of 13722125 is about 239.4089914167.
Adding to 13722125 its reverse (52122731), we get a palindrome (65844856).
The spelling of 13722125 in words is "thirteen million, seven hundred twenty-two thousand, one hundred twenty-five".
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