Base | Representation |
---|---|
bin | 1001101001101… |
… | …01001010110011 |
3 | 12122100002200022 |
4 | 10310311022303 |
5 | 131211130011 |
6 | 12011114055 |
7 | 2002063352 |
oct | 464651263 |
9 | 178302608 |
10 | 80958131 |
11 | 41776051 |
12 | 2314292b |
13 | 13a07527 |
14 | aa75999 |
15 | 71928db |
hex | 4d352b3 |
80958131 has 8 divisors (see below), whose sum is σ = 86377104. Its totient is φ = 75612160.
The previous prime is 80958127. The next prime is 80958133. The reversal of 80958131 is 13185908.
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 80958131 - 22 = 80958127 is a prime.
It is a super-2 number, since 2×809581312 = 13108437950026322, 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 = 80958091 and 80958100.
It is not an unprimeable number, because it can be changed into a prime (80958133) 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, 15950 + ... + 20403.
It is an arithmetic number, because the mean of its divisors is an integer number (10797138).
Almost surely, 280958131 is an apocalyptic number.
80958131 is a deficient number, since it is larger than the sum of its proper divisors (5418973).
80958131 is a wasteful number, since it uses less digits than its factorization.
80958131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36501.
The product of its (nonzero) digits is 8640, while the sum is 35.
The square root of 80958131 is about 8997.6736437815. The cubic root of 80958131 is about 432.6003081852.
The spelling of 80958131 in words is "eighty million, nine hundred fifty-eight thousand, one hundred thirty-one".
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