Base | Representation |
---|---|
bin | 1101000010101… |
… | …01101001001001 |
3 | 21121212020021202 |
4 | 12201111221021 |
5 | 211001341242 |
6 | 14504513545 |
7 | 2465623205 |
oct | 641255111 |
9 | 247766252 |
10 | 109402697 |
11 | 56833958 |
12 | 3077b8b5 |
13 | 19886531 |
14 | 1075bb05 |
15 | 9910932 |
hex | 6855a49 |
109402697 has 8 divisors (see below), whose sum is σ = 116095680. Its totient is φ = 102871120.
The previous prime is 109402687. The next prime is 109402721. The reversal of 109402697 is 796204901.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 109402697 - 24 = 109402681 is a prime.
It is a super-2 number, since 2×1094026972 = 23937900221747618, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 109402697.
It is not an unprimeable number, because it can be changed into a prime (109402687) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38954 + ... + 41667.
It is an arithmetic number, because the mean of its divisors is an integer number (14511960).
Almost surely, 2109402697 is an apocalyptic number.
It is an amenable number.
109402697 is a deficient number, since it is larger than the sum of its proper divisors (6692983).
109402697 is an equidigital number, since it uses as much as digits as its factorization.
109402697 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80703.
The product of its (nonzero) digits is 27216, while the sum is 38.
The square root of 109402697 is about 10459.5744177285. The cubic root of 109402697 is about 478.2731598709.
The spelling of 109402697 in words is "one hundred nine million, four hundred two thousand, six hundred ninety-seven".
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