Base | Representation |
---|---|
bin | 111100110110100… |
… | …010010011001001 |
3 | 2122011001120121112 |
4 | 330312202103021 |
5 | 4042324213400 |
6 | 245150020105 |
7 | 34204520021 |
oct | 7466422311 |
9 | 2564046545 |
10 | 1020929225 |
11 | 484319268 |
12 | 245aa7635 |
13 | 133687544 |
14 | 99838a81 |
15 | 5e967835 |
hex | 3cda24c9 |
1020929225 has 12 divisors (see below), whose sum is σ = 1273275276. Its totient is φ = 812018880.
The previous prime is 1020929219. The next prime is 1020929279. The reversal of 1020929225 is 5229290201.
1020929225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 6 ways, for example, as 95491984 + 925437241 = 9772^2 + 30421^2 .
It is not a de Polignac number, because 1020929225 - 216 = 1020863689 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1020929191 and 1020929200.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113702 + ... + 122351.
It is an arithmetic number, because the mean of its divisors is an integer number (106106273).
Almost surely, 21020929225 is an apocalyptic number.
It is an amenable number.
1020929225 is a deficient number, since it is larger than the sum of its proper divisors (252346051).
1020929225 is a wasteful number, since it uses less digits than its factorization.
1020929225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 236236 (or 236231 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 32.
The square root of 1020929225 is about 31951.9831152935. The cubic root of 1020929225 is about 1006.9282961895.
The spelling of 1020929225 in words is "one billion, twenty million, nine hundred twenty-nine thousand, two hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •