Base | Representation |
---|---|
bin | 100111100001000… |
… | …111101001010010 |
3 | 1201012112120002110 |
4 | 213201013221102 |
5 | 2324211242430 |
6 | 145442130150 |
7 | 22300231425 |
oct | 4741075122 |
9 | 1635476073 |
10 | 662993490 |
11 | 310273905 |
12 | 166050956 |
13 | a7483253 |
14 | 640a39bc |
15 | 3d3127b0 |
hex | 27847a52 |
662993490 has 32 divisors (see below), whose sum is σ = 1606640256. Its totient is φ = 175080960.
The previous prime is 662993477. The next prime is 662993501. The reversal of 662993490 is 94399266.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104191 + ... + 110370.
It is an arithmetic number, because the mean of its divisors is an integer number (50207508).
Almost surely, 2662993490 is an apocalyptic number.
662993490 is an abundant number, since it is smaller than the sum of its proper divisors (943646766).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
662993490 is a wasteful number, since it uses less digits than its factorization.
662993490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 214674.
The product of its (nonzero) digits is 629856, while the sum is 48.
The square root of 662993490 is about 25748.6599651322. The cubic root of 662993490 is about 871.9731013572.
The spelling of 662993490 in words is "six hundred sixty-two million, nine hundred ninety-three thousand, four hundred ninety".
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