Base | Representation |
---|---|
bin | 110000111100… |
… | …100000110100 |
3 | 220010212111210 |
4 | 300330200310 |
5 | 11241041042 |
6 | 1135001420 |
7 | 214026333 |
oct | 60744064 |
9 | 26125453 |
10 | 12830772 |
11 | 7273a49 |
12 | 4369270 |
13 | 2873196 |
14 | 19bdd1a |
15 | 11d6a9c |
hex | c3c834 |
12830772 has 48 divisors (see below), whose sum is σ = 30864512. Its totient is φ = 4147200.
The previous prime is 12830771. The next prime is 12830791. The reversal of 12830772 is 27703821.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12830771) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84897 + ... + 85047.
Almost surely, 212830772 is an apocalyptic number.
12830772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12830772 is an abundant number, since it is smaller than the sum of its proper divisors (18033740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12830772 is a wasteful number, since it uses less digits than its factorization.
12830772 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 328 (or 326 counting only the distinct ones).
The product of its (nonzero) digits is 4704, while the sum is 30.
The square root of 12830772 is about 3582.0067001612. The cubic root of 12830772 is about 234.1087229442.
The spelling of 12830772 in words is "twelve million, eight hundred thirty thousand, seven hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •