Base | Representation |
---|---|
bin | 111010110100… |
… | …101010001001 |
3 | 1002000102022122 |
4 | 322310222021 |
5 | 12421420131 |
6 | 1310301025 |
7 | 245032250 |
oct | 72645211 |
9 | 32012278 |
10 | 15420041 |
11 | 878233a |
12 | 51b7775 |
13 | 326b8b0 |
14 | 2095797 |
15 | 1548d7b |
hex | eb4a89 |
15420041 has 16 divisors (see below), whose sum is σ = 19084800. Its totient is φ = 12132288.
The previous prime is 15420017. The next prime is 15420043. The reversal of 15420041 is 14002451.
15420041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a de Polignac number, because none of the positive numbers 2k-15420041 is a prime.
It is not an unprimeable number, because it can be changed into a prime (15420043) 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, 21395 + ... + 22103.
It is an arithmetic number, because the mean of its divisors is an integer number (1192800).
Almost surely, 215420041 is an apocalyptic number.
It is an amenable number.
15420041 is a deficient number, since it is larger than the sum of its proper divisors (3664759).
15420041 is a wasteful number, since it uses less digits than its factorization.
15420041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 968.
The product of its (nonzero) digits is 160, while the sum is 17.
The square root of 15420041 is about 3926.8360037058. The cubic root of 15420041 is about 248.9020705961.
Adding to 15420041 its reverse (14002451), we get a palindrome (29422492).
The spelling of 15420041 in words is "fifteen million, four hundred twenty thousand, forty-one".
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