Base | Representation |
---|---|
bin | 111010110101… |
… | …001010100001 |
3 | 1002000112011101 |
4 | 322311022201 |
5 | 12422001423 |
6 | 1310314401 |
7 | 245041300 |
oct | 72651241 |
9 | 32015141 |
10 | 15422113 |
11 | 8783953 |
12 | 51b8a01 |
13 | 326c815 |
14 | 2096437 |
15 | 15497ad |
hex | eb52a1 |
15422113 has 12 divisors (see below), whose sum is σ = 18560340. Its totient is φ = 12761952.
The previous prime is 15422101. The next prime is 15422117. The reversal of 15422113 is 31122451.
15422113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 8196769 + 7225344 = 2863^2 + 2688^2 .
It is a de Polignac number, because none of the positive numbers 2k-15422113 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (15422117) 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, 4006 + ... + 6847.
It is an arithmetic number, because the mean of its divisors is an integer number (1546695).
Almost surely, 215422113 is an apocalyptic number.
It is an amenable number.
15422113 is a deficient number, since it is larger than the sum of its proper divisors (3138227).
15422113 is a wasteful number, since it uses less digits than its factorization.
15422113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10896 (or 10889 counting only the distinct ones).
The product of its digits is 240, while the sum is 19.
The square root of 15422113 is about 3927.0998204782. The cubic root of 15422113 is about 248.9132184694.
Adding to 15422113 its reverse (31122451), we get a palindrome (46544564).
It can be divided in two parts, 1542 and 2113, that added together give a triangular number (3655 = T85).
The spelling of 15422113 in words is "fifteen million, four hundred twenty-two thousand, one hundred thirteen".
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