Base | Representation |
---|---|
bin | 111010101011… |
… | …1011011001101 |
3 | 2010220010010000 |
4 | 1311113123031 |
5 | 30334014142 |
6 | 3015234513 |
7 | 522341055 |
oct | 165273315 |
9 | 63803100 |
10 | 30766797 |
11 | 16404606 |
12 | a378a39 |
13 | 64b3009 |
14 | 412c565 |
15 | 2a7b14c |
hex | 1d576cd |
30766797 has 10 divisors (see below), whose sum is σ = 45960398. Its totient is φ = 20511144.
The previous prime is 30766777. The next prime is 30766807. The reversal of 30766797 is 79766703.
It can be written as a sum of positive squares in only one way, i.e., 19131876 + 11634921 = 4374^2 + 3411^2 .
It is not a de Polignac number, because 30766797 - 210 = 30765773 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 (30766727) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 189838 + ... + 189999.
Almost surely, 230766797 is an apocalyptic number.
It is an amenable number.
30766797 is a deficient number, since it is larger than the sum of its proper divisors (15193601).
30766797 is an equidigital number, since it uses as much as digits as its factorization.
30766797 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 379849 (or 379840 counting only the distinct ones).
The product of its (nonzero) digits is 333396, while the sum is 45.
The square root of 30766797 is about 5546.7825809202. The cubic root of 30766797 is about 313.3483619118.
The spelling of 30766797 in words is "thirty million, seven hundred sixty-six thousand, seven hundred ninety-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •