Base | Representation |
---|---|
bin | 1100100110110… |
… | …11001100100111 |
3 | 21100222221011211 |
4 | 12103123030213 |
5 | 204033133211 |
6 | 14254412251 |
7 | 2422622605 |
oct | 623331447 |
9 | 240887154 |
10 | 105755431 |
11 | 54772691 |
12 | 2b501087 |
13 | 18baa3a2 |
14 | 1008c875 |
15 | 943ee21 |
hex | 64db327 |
105755431 has 4 divisors (see below), whose sum is σ = 109402200. Its totient is φ = 102108664.
The previous prime is 105755411. The next prime is 105755443. The reversal of 105755431 is 134557501.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 105755431 - 25 = 105755399 is a prime.
It is a super-2 number, since 2×1057554312 = 22368422371991522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 105755393 and 105755402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105755411) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1823341 + ... + 1823398.
It is an arithmetic number, because the mean of its divisors is an integer number (27350550).
Almost surely, 2105755431 is an apocalyptic number.
105755431 is a deficient number, since it is larger than the sum of its proper divisors (3646769).
105755431 is an equidigital number, since it uses as much as digits as its factorization.
105755431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3646768.
The product of its (nonzero) digits is 10500, while the sum is 31.
The square root of 105755431 is about 10283.7459614675. The cubic root of 105755431 is about 472.8980898971.
The spelling of 105755431 in words is "one hundred five million, seven hundred fifty-five thousand, four hundred thirty-one".
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