Base | Representation |
---|---|
bin | 100000000101111… |
… | …001101101101111 |
3 | 1101112010110200120 |
4 | 200011321231233 |
5 | 2100313334111 |
6 | 125232100023 |
7 | 16225322604 |
oct | 4005715557 |
9 | 1345113616 |
10 | 538418031 |
11 | 256a17488 |
12 | 130394613 |
13 | 87716868 |
14 | 517166ab |
15 | 32406406 |
hex | 20179b6f |
538418031 has 16 divisors (see below), whose sum is σ = 745860960. Its totient is φ = 345067520.
The previous prime is 538418021. The next prime is 538418051. The reversal of 538418031 is 130814835.
It is not a de Polignac number, because 538418031 - 26 = 538417967 is a prime.
It is a super-2 number, since 2×5384180312 = 579787952211833922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 538417983 and 538418001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (538418021) 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, 6991 + ... + 33551.
It is an arithmetic number, because the mean of its divisors is an integer number (46616310).
Almost surely, 2538418031 is an apocalyptic number.
538418031 is a deficient number, since it is larger than the sum of its proper divisors (207442929).
538418031 is a wasteful number, since it uses less digits than its factorization.
538418031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26826.
The product of its (nonzero) digits is 11520, while the sum is 33.
The square root of 538418031 is about 23203.8365577764. The cubic root of 538418031 is about 813.5292989272.
The spelling of 538418031 in words is "five hundred thirty-eight million, four hundred eighteen thousand, thirty-one".
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