Base | Representation |
---|---|
bin | 1100100100011… |
… | …00000000001100 |
3 | 21100101110012210 |
4 | 12102030000030 |
5 | 203442243202 |
6 | 14243430420 |
7 | 2420102106 |
oct | 622140014 |
9 | 240343183 |
10 | 105431052 |
11 | 54570a01 |
12 | 2b385410 |
13 | 18ac584c |
14 | 10006576 |
15 | 93c8c6c |
hex | 648c00c |
105431052 has 24 divisors (see below), whose sum is σ = 247370032. Its totient is φ = 34948800.
The previous prime is 105431023. The next prime is 105431063. The reversal of 105431052 is 250134501.
It is a super-2 number, since 2×1054310522 = 22231413451653408, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22099 + ... + 26442.
Almost surely, 2105431052 is an apocalyptic number.
105431052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
105431052 is an abundant number, since it is smaller than the sum of its proper divisors (141938980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105431052 is a wasteful number, since it uses less digits than its factorization.
105431052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48729 (or 48727 counting only the distinct ones).
The product of its (nonzero) digits is 600, while the sum is 21.
The square root of 105431052 is about 10267.9624074107. The cubic root of 105431052 is about 472.4140948498.
Adding to 105431052 its reverse (250134501), we get a palindrome (355565553).
The spelling of 105431052 in words is "one hundred five million, four hundred thirty-one thousand, fifty-two".
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