Base | Representation |
---|---|
bin | 1011111001011110001110 |
3 | 12212110110011 |
4 | 23321132032 |
5 | 1244301430 |
6 | 150503434 |
7 | 35340160 |
oct | 13713616 |
9 | 5773404 |
10 | 3118990 |
11 | 1840386 |
12 | 1064b7a |
13 | 852874 |
14 | 5b2930 |
15 | 41922a |
hex | 2f978e |
3118990 has 32 divisors (see below), whose sum is σ = 6796224. Its totient is φ = 1006080.
The previous prime is 3118987. The next prime is 3119009. The reversal of 3118990 is 998113.
It is an Ulam number.
It is a congruent number.
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, 121 + ... + 2500.
It is an arithmetic number, because the mean of its divisors is an integer number (212382).
Almost surely, 23118990 is an apocalyptic number.
3118990 is an abundant number, since it is smaller than the sum of its proper divisors (3677234).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3118990 is a wasteful number, since it uses less digits than its factorization.
3118990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2652.
The product of its (nonzero) digits is 1944, while the sum is 31.
The square root of 3118990 is about 1766.0662501730. The cubic root of 3118990 is about 146.1071022475.
The spelling of 3118990 in words is "three million, one hundred eighteen thousand, nine hundred ninety".
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