Base | Representation |
---|---|
bin | 11110001101110… |
… | …10000010011110 |
3 | 122122221112212110 |
4 | 33012322002132 |
5 | 1004342000310 |
6 | 41052414450 |
7 | 6165310116 |
oct | 1706720236 |
9 | 578845773 |
10 | 253468830 |
11 | 12009297a |
12 | 70a77426 |
13 | 40688574 |
14 | 25940046 |
15 | 173bbd20 |
hex | f1ba09e |
253468830 has 32 divisors (see below), whose sum is σ = 611491104. Its totient is φ = 67239936.
The previous prime is 253468823. The next prime is 253468841. The reversal of 253468830 is 38864352.
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, 16099 + ... + 27678.
It is an arithmetic number, because the mean of its divisors is an integer number (19109097).
Almost surely, 2253468830 is an apocalyptic number.
253468830 is an abundant number, since it is smaller than the sum of its proper divisors (358022274).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253468830 is a wasteful number, since it uses less digits than its factorization.
253468830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43980.
The product of its (nonzero) digits is 138240, while the sum is 39.
The square root of 253468830 is about 15920.7044442135. The cubic root of 253468830 is about 632.8607866279.
The spelling of 253468830 in words is "two hundred fifty-three million, four hundred sixty-eight thousand, eight hundred thirty".
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