Base | Representation |
---|---|
bin | 1001100010111… |
… | …10101110111001 |
3 | 12120200110211120 |
4 | 10301132232321 |
5 | 131000023201 |
6 | 11540215453 |
7 | 1661444544 |
oct | 461365671 |
9 | 176613746 |
10 | 80079801 |
11 | 4122615a |
12 | 2299a589 |
13 | 1378a7c9 |
14 | a8c785b |
15 | 706c536 |
hex | 4c5ebb9 |
80079801 has 8 divisors (see below), whose sum is σ = 106831584. Its totient is φ = 53357280.
The previous prime is 80079799. The next prime is 80079821. The reversal of 80079801 is 10897008.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80079801 - 21 = 80079799 is a prime.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (80079821) 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, 166 + ... + 12656.
It is an arithmetic number, because the mean of its divisors is an integer number (13353948).
Almost surely, 280079801 is an apocalyptic number.
It is an amenable number.
80079801 is a deficient number, since it is larger than the sum of its proper divisors (26751783).
80079801 is a wasteful number, since it uses less digits than its factorization.
80079801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14631.
The product of its (nonzero) digits is 4032, while the sum is 33.
The square root of 80079801 is about 8948.7318095918. The cubic root of 80079801 is about 431.0301620966.
It can be divided in two parts, 800 and 79801, that added together give a triangular number (80601 = T401).
The spelling of 80079801 in words is "eighty million, seventy-nine thousand, eight hundred one".
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