Base | Representation |
---|---|
bin | 110100010110… |
… | …111000011100 |
3 | 221211022110012 |
4 | 310112320130 |
5 | 12003201322 |
6 | 1210102352 |
7 | 224443124 |
oct | 64267034 |
9 | 27738405 |
10 | 13725212 |
11 | 7824a56 |
12 | 471a9b8 |
13 | 2ac7337 |
14 | 1b73c84 |
15 | 1311ae2 |
hex | d16e1c |
13725212 has 12 divisors (see below), whose sum is σ = 24309096. Its totient is φ = 6779760.
The previous prime is 13725203. The next prime is 13725221. The reversal of 13725212 is 21252731.
It is a happy number.
13725212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (13725203) and next prime (13725221).
It is a super-4 number, since 4×137252124 (a number of 30 digits) contains 4444 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20339 + ... + 21002.
It is an arithmetic number, because the mean of its divisors is an integer number (2025758).
Almost surely, 213725212 is an apocalyptic number.
It is an amenable number.
13725212 is a deficient number, since it is larger than the sum of its proper divisors (10583884).
13725212 is a wasteful number, since it uses less digits than its factorization.
13725212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41428 (or 41426 counting only the distinct ones).
The product of its digits is 840, while the sum is 23.
The square root of 13725212 is about 3704.7553225551. The cubic root of 13725212 is about 239.4269429644.
Adding to 13725212 its reverse (21252731), we get a palindrome (34977943).
The spelling of 13725212 in words is "thirteen million, seven hundred twenty-five thousand, two hundred twelve".
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