Base | Representation |
---|---|
bin | 11010101010101… |
… | …10110111011010 |
3 | 120120221021010102 |
4 | 31111112313122 |
5 | 424231434430 |
6 | 34110415402 |
7 | 5354303564 |
oct | 1525266732 |
9 | 516837112 |
10 | 223702490 |
11 | 105301aa0 |
12 | 62b01562 |
13 | 37465a4b |
14 | 219d2334 |
15 | 1498c345 |
hex | d556dda |
223702490 has 32 divisors (see below), whose sum is σ = 465113664. Its totient is φ = 76560640.
The previous prime is 223702487. The next prime is 223702511. The reversal of 223702490 is 94207322.
It is a happy number.
223702490 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
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, 57944 + ... + 61683.
It is an arithmetic number, because the mean of its divisors is an integer number (14534802).
Almost surely, 2223702490 is an apocalyptic number.
223702490 is an abundant number, since it is smaller than the sum of its proper divisors (241411174).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223702490 is a wasteful number, since it uses less digits than its factorization.
223702490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119662.
The product of its (nonzero) digits is 6048, while the sum is 29.
The square root of 223702490 is about 14956.6871331856. The cubic root of 223702490 is about 607.0488015646.
The spelling of 223702490 in words is "two hundred twenty-three million, seven hundred two thousand, four hundred ninety".
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