Base | Representation |
---|---|
bin | 1001100111011… |
… | …01000001100110 |
3 | 12121210002022211 |
4 | 10303231001212 |
5 | 131122201010 |
6 | 12000514034 |
7 | 1666423006 |
oct | 463550146 |
9 | 177702284 |
10 | 80662630 |
11 | 41594034 |
12 | 2301b91a |
13 | 13932b89 |
14 | a9da006 |
15 | 713508a |
hex | 4ced066 |
80662630 has 16 divisors (see below), whose sum is σ = 150199920. Its totient is φ = 31152352.
The previous prime is 80662597. The next prime is 80662639. The reversal of 80662630 is 3626608.
It is a junction number, because it is equal to n+sod(n) for n = 80662592 and 80662601.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80662639) by changing a digit.
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 in 7 ways as a sum of consecutive naturals, for example, 138784 + ... + 139363.
It is an arithmetic number, because the mean of its divisors is an integer number (9387495).
Almost surely, 280662630 is an apocalyptic number.
80662630 is a deficient number, since it is larger than the sum of its proper divisors (69537290).
80662630 is a wasteful number, since it uses less digits than its factorization.
80662630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 278183.
The product of its (nonzero) digits is 10368, while the sum is 31.
The square root of 80662630 is about 8981.2376652664. The cubic root of 80662630 is about 432.0733293159.
It can be divided in two parts, 806 and 62630, that added together give a palindrome (63436).
The spelling of 80662630 in words is "eighty million, six hundred sixty-two thousand, six hundred thirty".
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