Base | Representation |
---|---|
bin | 1100110101010… |
… | …01100110010111 |
3 | 21111120011020222 |
4 | 12122221212113 |
5 | 210024240211 |
6 | 14403144555 |
7 | 2445001511 |
oct | 632514627 |
9 | 244504228 |
10 | 107649431 |
11 | 5584667a |
12 | 3007515b |
13 | 193c14b6 |
14 | 10422bb1 |
15 | 96b61db |
hex | 66a9997 |
107649431 has 2 divisors, whose sum is σ = 107649432. Its totient is φ = 107649430.
The previous prime is 107649401. The next prime is 107649439. The reversal of 107649431 is 134946701.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 107649431 - 210 = 107648407 is a prime.
It is a super-2 number, since 2×1076494312 = 23176799989247522, which contains 22 as substring.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 107649391 and 107649400.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (107649439) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53824715 + 53824716.
It is an arithmetic number, because the mean of its divisors is an integer number (53824716).
Almost surely, 2107649431 is an apocalyptic number.
107649431 is a deficient number, since it is larger than the sum of its proper divisors (1).
107649431 is an equidigital number, since it uses as much as digits as its factorization.
107649431 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 18144, while the sum is 35.
The square root of 107649431 is about 10375.4243768629. The cubic root of 107649431 is about 475.7044852059.
The spelling of 107649431 in words is "one hundred seven million, six hundred forty-nine thousand, four hundred thirty-one".
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