Base | Representation |
---|---|
bin | 1001100101100… |
… | …10111101111111 |
3 | 12121100000010110 |
4 | 10302302331333 |
5 | 131042043311 |
6 | 11551441103 |
7 | 1664412504 |
oct | 462627577 |
9 | 177300113 |
10 | 80424831 |
11 | 41441403 |
12 | 22b26193 |
13 | 1387b876 |
14 | a9774ab |
15 | 70d98a6 |
hex | 4cb2f7f |
80424831 has 4 divisors (see below), whose sum is σ = 107233112. Its totient is φ = 53616552.
The previous prime is 80424829. The next prime is 80424871. The reversal of 80424831 is 13842408.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 80424831 - 21 = 80424829 is a prime.
It is a super-2 number, since 2×804248312 = 12936306882757122, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80424811) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13404136 + ... + 13404141.
It is an arithmetic number, because the mean of its divisors is an integer number (26808278).
Almost surely, 280424831 is an apocalyptic number.
80424831 is a deficient number, since it is larger than the sum of its proper divisors (26808281).
80424831 is a wasteful number, since it uses less digits than its factorization.
80424831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26808280.
The product of its (nonzero) digits is 6144, while the sum is 30.
The square root of 80424831 is about 8967.9892395118. The cubic root of 80424831 is about 431.6483173893.
The spelling of 80424831 in words is "eighty million, four hundred twenty-four thousand, eight hundred thirty-one".
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