Base | Representation |
---|---|
bin | 111001100110… |
… | …1000111000000 |
3 | 2002211022222000 |
4 | 1303031013000 |
5 | 30212402011 |
6 | 2555144000 |
7 | 514461252 |
oct | 163150700 |
9 | 62738860 |
10 | 30200256 |
11 | 16057999 |
12 | a145000 |
13 | 6345198 |
14 | 4021cd2 |
15 | 29b8356 |
hex | 1ccd1c0 |
30200256 has 56 divisors (see below), whose sum is σ = 88788240. Its totient is φ = 10066176.
The previous prime is 30200249. The next prime is 30200309. The reversal of 30200256 is 65200203.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7011 + ... + 10466.
Almost surely, 230200256 is an apocalyptic number.
30200256 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
30200256 is an abundant number, since it is smaller than the sum of its proper divisors (58587984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30200256 is a wasteful number, since it uses less digits than its factorization.
30200256 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17498 (or 17482 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 30200256 is about 5495.4759575491. The cubic root of 30200256 is about 311.4130978561.
Adding to 30200256 its reverse (65200203), we get a palindrome (95400459).
The spelling of 30200256 in words is "thirty million, two hundred thousand, two hundred fifty-six".
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