Base | Representation |
---|---|
bin | 1001100101011… |
… | …10000111011111 |
3 | 12121021222212110 |
4 | 10302232013133 |
5 | 131040424314 |
6 | 11551205103 |
7 | 1664300535 |
oct | 462560737 |
9 | 177258773 |
10 | 80404959 |
11 | 41428488 |
12 | 22b16793 |
13 | 138727cb |
14 | a970155 |
15 | 70d3a59 |
hex | 4cae1df |
80404959 has 16 divisors (see below), whose sum is σ = 110693088. Its totient is φ = 51875712.
The previous prime is 80404957. The next prime is 80404963. The reversal of 80404959 is 95940408.
It is not a de Polignac number, because 80404959 - 21 = 80404957 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80404957) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20029 + ... + 23705.
It is an arithmetic number, because the mean of its divisors is an integer number (6918318).
Almost surely, 280404959 is an apocalyptic number.
80404959 is a deficient number, since it is larger than the sum of its proper divisors (30288129).
80404959 is a wasteful number, since it uses less digits than its factorization.
80404959 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3914.
The product of its (nonzero) digits is 51840, while the sum is 39.
The square root of 80404959 is about 8966.8812303944. The cubic root of 80404959 is about 431.6127627733.
The spelling of 80404959 in words is "eighty million, four hundred four thousand, nine hundred fifty-nine".
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