Base | Representation |
---|---|
bin | 111101001011… |
… | …110000001101 |
3 | 1010011212021021 |
4 | 331023300031 |
5 | 13101221200 |
6 | 1331434141 |
7 | 253220500 |
oct | 75136015 |
9 | 33155237 |
10 | 16038925 |
11 | 9065311 |
12 | 5455951 |
13 | 34274b6 |
14 | 21b7137 |
15 | 161c41a |
hex | f4bc0d |
16038925 has 18 divisors (see below), whose sum is σ = 23137098. Its totient is φ = 10997280.
The previous prime is 16038923. The next prime is 16038941. The reversal of 16038925 is 52983061.
It can be written as a sum of positive squares in 3 ways, for example, as 3493161 + 12545764 = 1869^2 + 3542^2 .
It is not a de Polignac number, because 16038925 - 21 = 16038923 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16038923) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5322 + ... + 7771.
Almost surely, 216038925 is an apocalyptic number.
It is an amenable number.
16038925 is a deficient number, since it is larger than the sum of its proper divisors (7098173).
16038925 is a wasteful number, since it uses less digits than its factorization.
16038925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13117 (or 13105 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 34.
The square root of 16038925 is about 4004.8626693059. The cubic root of 16038925 is about 252.1883879381.
The spelling of 16038925 in words is "sixteen million, thirty-eight thousand, nine hundred twenty-five".
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