Base | Representation |
---|---|
bin | 11110001110110… |
… | …10010011011110 |
3 | 122200012021011021 |
4 | 33013122103132 |
5 | 1004410212430 |
6 | 41055314354 |
7 | 6166400326 |
oct | 1707322336 |
9 | 580167137 |
10 | 253600990 |
11 | 1201731a5 |
12 | 70b1b9ba |
13 | 40703776 |
14 | 25976286 |
15 | 173e607a |
hex | f1da4de |
253600990 has 32 divisors (see below), whose sum is σ = 487964736. Its totient is φ = 94659840.
The previous prime is 253600937. The next prime is 253601003. The reversal of 253600990 is 99006352.
It is a happy number.
253600990 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4017 + ... + 22876.
It is an arithmetic number, because the mean of its divisors is an integer number (15248898).
Almost surely, 2253600990 is an apocalyptic number.
253600990 is a deficient number, since it is larger than the sum of its proper divisors (234363746).
253600990 is a wasteful number, since it uses less digits than its factorization.
253600990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26964.
The product of its (nonzero) digits is 14580, while the sum is 34.
The square root of 253600990 is about 15924.8544734324. The cubic root of 253600990 is about 632.9707598465.
The spelling of 253600990 in words is "two hundred fifty-three million, six hundred thousand, nine hundred ninety".
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