Base | Representation |
---|---|
bin | 111001101010… |
… | …1001010101000 |
3 | 2002220000020020 |
4 | 1303111022220 |
5 | 30214431011 |
6 | 3000000440 |
7 | 514656414 |
oct | 163251250 |
9 | 62800206 |
10 | 30233256 |
11 | 1607a769 |
12 | a160120 |
13 | 6357201 |
14 | 402dd44 |
15 | 29c3006 |
hex | 1cd52a8 |
30233256 has 32 divisors (see below), whose sum is σ = 79562400. Its totient is φ = 9547200.
The previous prime is 30233249. The next prime is 30233299. The reversal of 30233256 is 65233203.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32695 + ... + 33606.
It is an arithmetic number, because the mean of its divisors is an integer number (2486325).
Almost surely, 230233256 is an apocalyptic number.
It is an amenable number.
30233256 is an abundant number, since it is smaller than the sum of its proper divisors (49329144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30233256 is a wasteful number, since it uses less digits than its factorization.
30233256 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66329 (or 66325 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 24.
The square root of 30233256 is about 5498.4776074837. The cubic root of 30233256 is about 311.5264842171.
Adding to 30233256 its reverse (65233203), we get a palindrome (95466459).
The spelling of 30233256 in words is "thirty million, two hundred thirty-three thousand, two hundred fifty-six".
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