Base | Representation |
---|---|
bin | 1100110010000… |
… | …10001010000001 |
3 | 21110202122001022 |
4 | 12121002022001 |
5 | 204422210404 |
6 | 14350115225 |
7 | 2441255312 |
oct | 631021201 |
9 | 243678038 |
10 | 107225729 |
11 | 55587306 |
12 | 2baabb15 |
13 | 192a36a0 |
14 | 10352609 |
15 | 96308be |
hex | 6642281 |
107225729 has 4 divisors (see below), whose sum is σ = 115473876. Its totient is φ = 98977584.
The previous prime is 107225717. The next prime is 107225743. The reversal of 107225729 is 927522701.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 927522701 = 7 ⋅132503243.
It can be written as a sum of positive squares in 2 ways, for example, as 43864129 + 63361600 = 6623^2 + 7960^2 .
It is a cyclic number.
It is not a de Polignac number, because 107225729 - 220 = 106177153 is a prime.
It is a super-2 number, since 2×1072257292 = 22994713919162882, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (107225779) 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, 4124054 + ... + 4124079.
It is an arithmetic number, because the mean of its divisors is an integer number (28868469).
Almost surely, 2107225729 is an apocalyptic number.
It is an amenable number.
107225729 is a deficient number, since it is larger than the sum of its proper divisors (8248147).
107225729 is an equidigital number, since it uses as much as digits as its factorization.
107225729 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8248146.
The product of its (nonzero) digits is 17640, while the sum is 35.
The square root of 107225729 is about 10354.9857073779. The cubic root of 107225729 is about 475.0795493731.
The spelling of 107225729 in words is "one hundred seven million, two hundred twenty-five thousand, seven hundred twenty-nine".
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