Base | Representation |
---|---|
bin | 1100110111111… |
… | …00101010001010 |
3 | 21112012102221101 |
4 | 12123330222022 |
5 | 210121132032 |
6 | 14414332014 |
7 | 2450616415 |
oct | 633745212 |
9 | 245172841 |
10 | 107989642 |
11 | 55a59242 |
12 | 301ba00a |
13 | 194b02c7 |
14 | 104b0b7c |
15 | 9731de7 |
hex | 66fca8a |
107989642 has 8 divisors (see below), whose sum is σ = 164640132. Its totient is φ = 53109600.
The previous prime is 107989639. The next prime is 107989697. The reversal of 107989642 is 246989701.
It can be written as a sum of positive squares in 2 ways, for example, as 76055841 + 31933801 = 8721^2 + 5651^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 107989592 and 107989601.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442459 + ... + 442702.
Almost surely, 2107989642 is an apocalyptic number.
107989642 is a deficient number, since it is larger than the sum of its proper divisors (56650490).
107989642 is an equidigital number, since it uses as much as digits as its factorization.
107989642 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 885224.
The product of its (nonzero) digits is 217728, while the sum is 46.
The square root of 107989642 is about 10391.8064839565. The cubic root of 107989642 is about 476.2050907518.
The spelling of 107989642 in words is "one hundred seven million, nine hundred eighty-nine thousand, six hundred forty-two".
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