Base | Representation |
---|---|
bin | 110100010111… |
… | …000010010001 |
3 | 221211100022111 |
4 | 310113002101 |
5 | 12003211331 |
6 | 1210105321 |
7 | 224445013 |
oct | 64270221 |
9 | 27740274 |
10 | 13725841 |
11 | 7825478 |
12 | 471b241 |
13 | 2ac76cc |
14 | 1b741b3 |
15 | 1311db1 |
hex | d17091 |
13725841 has 2 divisors, whose sum is σ = 13725842. Its totient is φ = 13725840.
The previous prime is 13725769. The next prime is 13725889. The reversal of 13725841 is 14852731.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12110400 + 1615441 = 3480^2 + 1271^2 .
It is an emirp because it is prime and its reverse (14852731) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13725841 - 27 = 13725713 is a prime.
It is a super-2 number, since 2×137258412 = 376797422314562, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (13725941) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6862920 + 6862921.
It is an arithmetic number, because the mean of its divisors is an integer number (6862921).
Almost surely, 213725841 is an apocalyptic number.
It is an amenable number.
13725841 is a deficient number, since it is larger than the sum of its proper divisors (1).
13725841 is an equidigital number, since it uses as much as digits as its factorization.
13725841 is an evil number, because the sum of its binary digits is even.
The product of its digits is 6720, while the sum is 31.
The square root of 13725841 is about 3704.8402124788. The cubic root of 13725841 is about 239.4306004002.
The spelling of 13725841 in words is "thirteen million, seven hundred twenty-five thousand, eight hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.155 sec. • engine limits •