Base | Representation |
---|---|
bin | 1001100010100… |
… | …10011010010011 |
3 | 12120120220121022 |
4 | 10301102122103 |
5 | 130441414311 |
6 | 11535150055 |
7 | 1661144444 |
oct | 461223223 |
9 | 176526538 |
10 | 80029331 |
11 | 411a1248 |
12 | 2297532b |
13 | 13770845 |
14 | a8b32cb |
15 | 705c5db |
hex | 4c52693 |
80029331 has 4 divisors (see below), whose sum is σ = 80471664. Its totient is φ = 79587000.
The previous prime is 80029307. The next prime is 80029333. The reversal of 80029331 is 13392008.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 80029331 - 222 = 75835027 is a prime.
It is a super-2 number, since 2×800293312 = 12809387640615122, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 80029331.
It is not an unprimeable number, because it can be changed into a prime (80029333) 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, 220895 + ... + 221256.
It is an arithmetic number, because the mean of its divisors is an integer number (20117916).
Almost surely, 280029331 is an apocalyptic number.
80029331 is a deficient number, since it is larger than the sum of its proper divisors (442333).
80029331 is a wasteful number, since it uses less digits than its factorization.
80029331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 442332.
The product of its (nonzero) digits is 1296, while the sum is 26.
The square root of 80029331 is about 8945.9114124834. The cubic root of 80029331 is about 430.9395913419.
The spelling of 80029331 in words is "eighty million, twenty-nine thousand, three hundred thirty-one".
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