Base | Representation |
---|---|
bin | 1100100111111… |
… | …01111000010010 |
3 | 21101021011001021 |
4 | 12103331320102 |
5 | 204102204430 |
6 | 14301430054 |
7 | 2424054016 |
oct | 623757022 |
9 | 241234037 |
10 | 105897490 |
11 | 5485a396 |
12 | 2b56b32a |
13 | 18c29c4a |
14 | 100c8546 |
15 | 946c07a |
hex | 64fde12 |
105897490 has 16 divisors (see below), whose sum is σ = 192504600. Its totient is φ = 41939200.
The previous prime is 105897481. The next prime is 105897503. The reversal of 105897490 is 94798501.
It can be written as a sum of positive squares in 4 ways, for example, as 88566921 + 17330569 = 9411^2 + 4163^2 .
It is a super-2 number, since 2×1058974902 = 22428556776600200, 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, 51415 + ... + 53434.
Almost surely, 2105897490 is an apocalyptic number.
105897490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
105897490 is a deficient number, since it is larger than the sum of its proper divisors (86607110).
105897490 is a wasteful number, since it uses less digits than its factorization.
105897490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104957.
The product of its (nonzero) digits is 90720, while the sum is 43.
The square root of 105897490 is about 10290.6506111130. The cubic root of 105897490 is about 473.1097397743.
The spelling of 105897490 in words is "one hundred five million, eight hundred ninety-seven thousand, four hundred ninety".
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