Base | Representation |
---|---|
bin | 1001100111100… |
… | …01100000001100 |
3 | 12121211000111011 |
4 | 10303301200030 |
5 | 131123242342 |
6 | 12001135004 |
7 | 1666530331 |
oct | 463614014 |
9 | 177730434 |
10 | 80680972 |
11 | 415a6899 |
12 | 2302a464 |
13 | 1393b328 |
14 | aa02988 |
15 | 713a717 |
hex | 4cf180c |
80680972 has 24 divisors (see below), whose sum is σ = 146627712. Its totient is φ = 38803200.
The previous prime is 80680969. The next prime is 80680981. The reversal of 80680972 is 27908608.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19572 + ... + 23332.
It is an arithmetic number, because the mean of its divisors is an integer number (6109488).
Almost surely, 280680972 is an apocalyptic number.
It is an amenable number.
80680972 is a deficient number, since it is larger than the sum of its proper divisors (65946740).
80680972 is a wasteful number, since it uses less digits than its factorization.
80680972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3969 (or 3967 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 40.
The square root of 80680972 is about 8982.2587359750. The cubic root of 80680972 is about 432.1060767744.
The spelling of 80680972 in words is "eighty million, six hundred eighty thousand, nine hundred seventy-two".
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