Base | Representation |
---|---|
bin | 1100100001101… |
… | …00011101110001 |
3 | 21022201020100222 |
4 | 12100310131301 |
5 | 203344304442 |
6 | 14232022425 |
7 | 2414046545 |
oct | 620643561 |
9 | 238636328 |
10 | 105072497 |
11 | 54346582 |
12 | 2b231a15 |
13 | 189cb59a |
14 | dd51a25 |
15 | 93578d2 |
hex | 6434771 |
105072497 has 2 divisors, whose sum is σ = 105072498. Its totient is φ = 105072496.
The previous prime is 105072469. The next prime is 105072551. The reversal of 105072497 is 794270501.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 58232161 + 46840336 = 7631^2 + 6844^2 .
It is a cyclic number.
It is not a de Polignac number, because 105072497 - 212 = 105068401 is a prime.
It is a super-2 number, since 2×1050724972 = 22080459251630018, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (105072397) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52536248 + 52536249.
It is an arithmetic number, because the mean of its divisors is an integer number (52536249).
Almost surely, 2105072497 is an apocalyptic number.
It is an amenable number.
105072497 is a deficient number, since it is larger than the sum of its proper divisors (1).
105072497 is an equidigital number, since it uses as much as digits as its factorization.
105072497 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 17640, while the sum is 35.
The square root of 105072497 is about 10250.4876469366. The cubic root of 105072497 is about 471.8779504048.
The spelling of 105072497 in words is "one hundred five million, seventy-two thousand, four hundred ninety-seven".
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