Base | Representation |
---|---|
bin | 1100011001111… |
… | …0111010000101 |
3 | 10121220110021010 |
4 | 3012132322011 |
5 | 101304443414 |
6 | 5055112433 |
7 | 1201154124 |
oct | 306367205 |
9 | 117813233 |
10 | 52031109 |
11 | 27408819 |
12 | 15512719 |
13 | aa19a50 |
14 | 6ca5abb |
15 | 487b959 |
hex | 319ee85 |
52031109 has 16 divisors (see below), whose sum is σ = 75939584. Its totient is φ = 31492800.
The previous prime is 52031099. The next prime is 52031117. The reversal of 52031109 is 90113025.
It is not a de Polignac number, because 52031109 - 27 = 52030981 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 (52031149) 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, 8557 + ... + 13314.
It is an arithmetic number, because the mean of its divisors is an integer number (4746224).
Almost surely, 252031109 is an apocalyptic number.
It is an amenable number.
52031109 is a deficient number, since it is larger than the sum of its proper divisors (23908475).
52031109 is a wasteful number, since it uses less digits than its factorization.
52031109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21948.
The product of its (nonzero) digits is 270, while the sum is 21.
The square root of 52031109 is about 7213.2592494655. The cubic root of 52031109 is about 373.3255333369.
The spelling of 52031109 in words is "fifty-two million, thirty-one thousand, one hundred nine".
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