Base | Representation |
---|---|
bin | 110010010100… |
… | …101000111101 |
3 | 220211012200000 |
4 | 302110220331 |
5 | 11334113431 |
6 | 1150424513 |
7 | 220061613 |
oct | 62245075 |
9 | 26735600 |
10 | 13191741 |
11 | 74a0172 |
12 | 4502139 |
13 | 296b584 |
14 | 1a756b3 |
15 | 12589e6 |
hex | c94a3d |
13191741 has 12 divisors (see below), whose sum is σ = 19760832. Its totient is φ = 8794332.
The previous prime is 13191727. The next prime is 13191749. The reversal of 13191741 is 14719131.
13191741 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13191741 - 27 = 13191613 is a prime.
It is a super-2 number, since 2×131917412 = 348044061222162, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13191749) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26901 + ... + 27386.
It is an arithmetic number, because the mean of its divisors is an integer number (1646736).
Almost surely, 213191741 is an apocalyptic number.
It is an amenable number.
13191741 is a deficient number, since it is larger than the sum of its proper divisors (6569091).
13191741 is an frugal number, since it uses more digits than its factorization.
13191741 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54302 (or 54290 counting only the distinct ones).
The product of its digits is 756, while the sum is 27.
The square root of 13191741 is about 3632.0436396057. The cubic root of 13191741 is about 236.2838500250.
The spelling of 13191741 in words is "thirteen million, one hundred ninety-one thousand, seven hundred forty-one".
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