Base | Representation |
---|---|
bin | 111000111010… |
… | …110000001101 |
3 | 1001002001101011 |
4 | 320322300031 |
5 | 12304430332 |
6 | 1251445221 |
7 | 240552430 |
oct | 70726015 |
9 | 31061334 |
10 | 14920717 |
11 | 8471179 |
12 | 4bb6811 |
13 | 3125536 |
14 | 1da5817 |
15 | 149ae47 |
hex | e3ac0d |
14920717 has 4 divisors (see below), whose sum is σ = 17052256. Its totient is φ = 12789180.
The previous prime is 14920709. The next prime is 14920723. The reversal of 14920717 is 71702941.
14920717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71702941 = 19 ⋅3773839.
It is a cyclic number.
It is not a de Polignac number, because 14920717 - 23 = 14920709 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14920727) 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, 1065759 + ... + 1065772.
It is an arithmetic number, because the mean of its divisors is an integer number (4263064).
Almost surely, 214920717 is an apocalyptic number.
It is an amenable number.
14920717 is a deficient number, since it is larger than the sum of its proper divisors (2131539).
14920717 is an equidigital number, since it uses as much as digits as its factorization.
14920717 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2131538.
The product of its (nonzero) digits is 3528, while the sum is 31.
The square root of 14920717 is about 3862.7343941824. The cubic root of 14920717 is about 246.1859314371.
The spelling of 14920717 in words is "fourteen million, nine hundred twenty thousand, seven hundred seventeen".
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