Base | Representation |
---|---|
bin | 110011000111… |
… | …101111010101 |
3 | 221012211210000 |
4 | 303013233111 |
5 | 11412313140 |
6 | 1155121513 |
7 | 221623050 |
oct | 63075725 |
9 | 27184700 |
10 | 13401045 |
11 | 7623449 |
12 | 45a3299 |
13 | 2a12918 |
14 | 1acba97 |
15 | 129aa30 |
hex | cc7bd5 |
13401045 has 80 divisors (see below), whose sum is σ = 28575360. Its totient is φ = 5878656.
The previous prime is 13401043. The next prime is 13401053. The reversal of 13401045 is 54010431.
It is a happy number.
13401045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13401045 - 21 = 13401043 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13401041) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 82134 + ... + 82296.
It is an arithmetic number, because the mean of its divisors is an integer number (357192).
Almost surely, 213401045 is an apocalyptic number.
13401045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13401045 is an abundant number, since it is smaller than the sum of its proper divisors (15174315).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13401045 is a wasteful number, since it uses less digits than its factorization.
13401045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 216 (or 207 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 13401045 is about 3660.7437768847. The cubic root of 13401045 is about 237.5269480041.
Adding to 13401045 its reverse (54010431), we get a palindrome (67411476).
The spelling of 13401045 in words is "thirteen million, four hundred one thousand, forty-five".
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