Base | Representation |
---|---|
bin | 10010100000001… |
… | …111010000010100 |
3 | 210122011000222002 |
4 | 102200033100110 |
5 | 1113433102410 |
6 | 50445454432 |
7 | 10456463513 |
oct | 2240172024 |
9 | 718130862 |
10 | 310440980 |
11 | 14a2659a3 |
12 | 87b71418 |
13 | 4c4152b5 |
14 | 2d33067a |
15 | 1c3c27a5 |
hex | 1280f414 |
310440980 has 12 divisors (see below), whose sum is σ = 651926100. Its totient is φ = 124176384.
The previous prime is 310440979. The next prime is 310441013. The reversal of 310440980 is 89044013.
It can be written as a sum of positive squares in 2 ways, for example, as 141752836 + 168688144 = 11906^2 + 12988^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7761005 + ... + 7761044.
It is an arithmetic number, because the mean of its divisors is an integer number (54327175).
Almost surely, 2310440980 is an apocalyptic number.
It is an amenable number.
310440980 is an abundant number, since it is smaller than the sum of its proper divisors (341485120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
310440980 is a wasteful number, since it uses less digits than its factorization.
310440980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15522058 (or 15522056 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 29.
The square root of 310440980 is about 17619.3354017681. The cubic root of 310440980 is about 677.1107080330.
Adding to 310440980 its reverse (89044013), we get a palindrome (399484993).
The spelling of 310440980 in words is "three hundred ten million, four hundred forty thousand, nine hundred eighty".
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