Base | Representation |
---|---|
bin | 1100100001111… |
… | …10110110101100 |
3 | 21022210101202002 |
4 | 12100332312230 |
5 | 203402140202 |
6 | 14232551432 |
7 | 2414314610 |
oct | 620766654 |
9 | 238711662 |
10 | 105115052 |
11 | 54375549 |
12 | 2b252578 |
13 | 18a14a73 |
14 | dd63340 |
15 | 9365302 |
hex | 643edac |
105115052 has 24 divisors (see below), whose sum is σ = 212597280. Its totient is φ = 44542080.
The previous prime is 105115033. The next prime is 105115069. The reversal of 105115052 is 250511501.
It is a happy number.
It is a super-2 number, since 2×1051150522 = 22098348313925408, 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, 18599 + ... + 23582.
It is an arithmetic number, because the mean of its divisors is an integer number (8858220).
Almost surely, 2105115052 is an apocalyptic number.
It is an amenable number.
105115052 is an abundant number, since it is smaller than the sum of its proper divisors (107482228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105115052 is a wasteful number, since it uses less digits than its factorization.
105115052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42281 (or 42279 counting only the distinct ones).
The product of its (nonzero) digits is 250, while the sum is 20.
The square root of 105115052 is about 10252.5631917097. The cubic root of 105115052 is about 471.9416462859.
Adding to 105115052 its reverse (250511501), we get a palindrome (355626553).
The spelling of 105115052 in words is "one hundred five million, one hundred fifteen thousand, fifty-two".
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