Base | Representation |
---|---|
bin | 1001100101111… |
… | …00111000010111 |
3 | 12121102001211011 |
4 | 10302330320113 |
5 | 131044343211 |
6 | 11552353051 |
7 | 1664642044 |
oct | 462747027 |
9 | 177361734 |
10 | 80465431 |
11 | 41469962 |
12 | 22b45787 |
13 | 138941a7 |
14 | a9881cb |
15 | 70e6921 |
hex | 4cbce17 |
80465431 has 8 divisors (see below), whose sum is σ = 84072960. Its totient is φ = 76867032.
The previous prime is 80465423. The next prime is 80465503. The reversal of 80465431 is 13456408.
It is a happy number.
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 80465431 - 23 = 80465423 is a prime.
It is a super-2 number, since 2×804654312 = 12949371172031522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 80465393 and 80465402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80465731) 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, 20830 + ... + 24388.
It is an arithmetic number, because the mean of its divisors is an integer number (10509120).
Almost surely, 280465431 is an apocalyptic number.
80465431 is a deficient number, since it is larger than the sum of its proper divisors (3607529).
80465431 is a wasteful number, since it uses less digits than its factorization.
80465431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4565.
The product of its (nonzero) digits is 11520, while the sum is 31.
The square root of 80465431 is about 8970.2525605470. The cubic root of 80465431 is about 431.7209399584.
The spelling of 80465431 in words is "eighty million, four hundred sixty-five thousand, four hundred thirty-one".
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