Base | Representation |
---|---|
bin | 110011100000… |
… | …011011001101 |
3 | 221101222110220 |
4 | 303200123031 |
5 | 11424032112 |
6 | 1201221553 |
7 | 222523614 |
oct | 63403315 |
9 | 27358426 |
10 | 13502157 |
11 | 7692409 |
12 | 46318b9 |
13 | 2a49956 |
14 | 1b1687b |
15 | 12ba98c |
hex | ce06cd |
13502157 has 16 divisors (see below), whose sum is σ = 18353280. Its totient is φ = 8828352.
The previous prime is 13502147. The next prime is 13502171. The reversal of 13502157 is 75120531.
13502157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13502157 - 219 = 12977869 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13502107) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51208 + ... + 51470.
It is an arithmetic number, because the mean of its divisors is an integer number (1147080).
Almost surely, 213502157 is an apocalyptic number.
It is an amenable number.
13502157 is a deficient number, since it is larger than the sum of its proper divisors (4851123).
13502157 is a wasteful number, since it uses less digits than its factorization.
13502157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 532.
The product of its (nonzero) digits is 1050, while the sum is 24.
The square root of 13502157 is about 3674.5281329716. The cubic root of 13502157 is about 238.1228386905.
Adding to 13502157 its reverse (75120531), we get a palindrome (88622688).
The spelling of 13502157 in words is "thirteen million, five hundred two thousand, one hundred fifty-seven".
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