Base | Representation |
---|---|
bin | 1001100100101… |
… | …10100100011010 |
3 | 12121010002120010 |
4 | 10302112210122 |
5 | 131024333011 |
6 | 11545142350 |
7 | 1663416405 |
oct | 462264432 |
9 | 177102503 |
10 | 80308506 |
11 | 41371a73 |
12 | 22a8a9b6 |
13 | 1383a935 |
14 | a946d3c |
15 | 70b51a6 |
hex | 4c9691a |
80308506 has 16 divisors (see below), whose sum is σ = 160860384. Its totient is φ = 26728944.
The previous prime is 80308489. The next prime is 80308523. The reversal of 80308506 is 60580308.
It is an interprime number because it is at equal distance from previous prime (80308489) and next prime (80308523).
It is a super-2 number, since 2×803085062 = 12898912271904072, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5701 + ... + 13896.
It is an arithmetic number, because the mean of its divisors is an integer number (10053774).
Almost surely, 280308506 is an apocalyptic number.
80308506 is an abundant number, since it is smaller than the sum of its proper divisors (80551878).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80308506 is a wasteful number, since it uses less digits than its factorization.
80308506 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20285.
The product of its (nonzero) digits is 5760, while the sum is 30.
The square root of 80308506 is about 8961.5013251129. The cubic root of 80308506 is about 431.4401075711.
The spelling of 80308506 in words is "eighty million, three hundred eight thousand, five hundred six".
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