Base | Representation |
---|---|
bin | 11011011111000… |
… | …00100011001110 |
3 | 121001211112222120 |
4 | 31233200203032 |
5 | 433010323102 |
6 | 34513353410 |
7 | 5466465321 |
oct | 1557404316 |
9 | 531745876 |
10 | 230557902 |
11 | 109164623 |
12 | 65268866 |
13 | 389c61c3 |
14 | 228987b8 |
15 | 153936bc |
hex | dbe08ce |
230557902 has 8 divisors (see below), whose sum is σ = 461115816. Its totient is φ = 76852632.
The previous prime is 230557879. The next prime is 230557909. The reversal of 230557902 is 209755032.
It is a sphenic number, since it is the product of 3 distinct primes.
230557902 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230557909) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19213153 + ... + 19213164.
It is an arithmetic number, because the mean of its divisors is an integer number (57639477).
Almost surely, 2230557902 is an apocalyptic number.
230557902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230557902 is a wasteful number, since it uses less digits than its factorization.
230557902 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38426322.
The product of its (nonzero) digits is 18900, while the sum is 33.
The square root of 230557902 is about 15184.1332317653. The cubic root of 230557902 is about 613.1875623039.
The spelling of 230557902 in words is "two hundred thirty million, five hundred fifty-seven thousand, nine hundred two".
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