Base | Representation |
---|---|
bin | 1100100001011… |
… | …11101000110101 |
3 | 21022200020020200 |
4 | 12100233220311 |
5 | 203343141400 |
6 | 14231351113 |
7 | 2413635111 |
oct | 620575065 |
9 | 238606220 |
10 | 105052725 |
11 | 54332738 |
12 | 2b222499 |
13 | 189c259b |
14 | dd48741 |
15 | 9351b00 |
hex | 642fa35 |
105052725 has 36 divisors (see below), whose sum is σ = 189571200. Its totient is φ = 55608480.
The previous prime is 105052723. The next prime is 105052747. The reversal of 105052725 is 527250501.
It is a happy number.
It is not a de Polignac number, because 105052725 - 21 = 105052723 is a prime.
It is a super-2 number, since 2×1050527252 = 22072150059851250, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105052721) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 29596 + ... + 32954.
Almost surely, 2105052725 is an apocalyptic number.
105052725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
105052725 is a deficient number, since it is larger than the sum of its proper divisors (84518475).
105052725 is a wasteful number, since it uses less digits than its factorization.
105052725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3514 (or 3506 counting only the distinct ones).
The product of its (nonzero) digits is 3500, while the sum is 27.
The square root of 105052725 is about 10249.5231596402. The cubic root of 105052725 is about 471.8483500292.
The spelling of 105052725 in words is "one hundred five million, fifty-two thousand, seven hundred twenty-five".
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