Base | Representation |
---|---|
bin | 1001100111001… |
… | …01001101010100 |
3 | 12121201110101222 |
4 | 10303211031110 |
5 | 131120134422 |
6 | 12000105512 |
7 | 1666230446 |
oct | 463451524 |
9 | 177643358 |
10 | 80630612 |
11 | 41571a77 |
12 | 23005298 |
13 | 1392142a |
14 | a9cc496 |
15 | 712a842 |
hex | 4ce5354 |
80630612 has 6 divisors (see below), whose sum is σ = 141103578. Its totient is φ = 40315304.
The previous prime is 80630587. The next prime is 80630651. The reversal of 80630612 is 21603608.
It can be written as a sum of positive squares in only one way, i.e., 53963716 + 26666896 = 7346^2 + 5164^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10078823 + ... + 10078830.
It is an arithmetic number, because the mean of its divisors is an integer number (23517263).
Almost surely, 280630612 is an apocalyptic number.
It is an amenable number.
80630612 is a deficient number, since it is larger than the sum of its proper divisors (60472966).
80630612 is a wasteful number, since it uses less digits than its factorization.
80630612 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20157657 (or 20157655 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 26.
The square root of 80630612 is about 8979.4549945974. The cubic root of 80630612 is about 432.0161530883.
The spelling of 80630612 in words is "eighty million, six hundred thirty thousand, six hundred twelve".
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