Base | Representation |
---|---|
bin | 1001100110101… |
… | …10111001100111 |
3 | 12121121111000102 |
4 | 10303112321213 |
5 | 131111301012 |
6 | 11554534315 |
7 | 1665564545 |
oct | 463267147 |
9 | 177544012 |
10 | 80572007 |
11 | 41531a3a |
12 | 22b9739b |
13 | 13900859 |
14 | a9b4d95 |
15 | 71182c2 |
hex | 4cd6e67 |
80572007 has 8 divisors (see below), whose sum is σ = 84344832. Its totient is φ = 76872600.
The previous prime is 80571991. The next prime is 80572073. The reversal of 80572007 is 70027508.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80572007 - 24 = 80571991 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80572087) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16103 + ... + 20504.
It is an arithmetic number, because the mean of its divisors is an integer number (10543104).
Almost surely, 280572007 is an apocalyptic number.
80572007 is a deficient number, since it is larger than the sum of its proper divisors (3772825).
80572007 is a wasteful number, since it uses less digits than its factorization.
80572007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36709.
The product of its (nonzero) digits is 3920, while the sum is 29.
The square root of 80572007 is about 8976.1911187318. The cubic root of 80572007 is about 431.9114598353.
The spelling of 80572007 in words is "eighty million, five hundred seventy-two thousand, seven".
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