Base | Representation |
---|---|
bin | 111001010100… |
… | …0101110000000 |
3 | 2002112202111102 |
4 | 1302220232000 |
5 | 30143114300 |
6 | 2552033532 |
7 | 513300554 |
oct | 162505600 |
9 | 62482442 |
10 | 30051200 |
11 | 15a65a03 |
12 | a0928a8 |
13 | 62c239a |
14 | 3dc3864 |
15 | 29890d5 |
hex | 1ca8b80 |
30051200 has 48 divisors (see below), whose sum is σ = 74243760. Its totient is φ = 12019200.
The previous prime is 30051199. The next prime is 30051211. The reversal of 30051200 is 215003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1496 + ... + 7895.
It is an arithmetic number, because the mean of its divisors is an integer number (1546745).
Almost surely, 230051200 is an apocalyptic number.
It is an amenable number.
30051200 is an abundant number, since it is smaller than the sum of its proper divisors (44192560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30051200 is an equidigital number, since it uses as much as digits as its factorization.
30051200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9415 (or 9398 counting only the distinct ones).
The product of its (nonzero) digits is 30, while the sum is 11.
The square root of 30051200 is about 5481.8974817120. The cubic root of 30051200 is about 310.8999171346.
Adding to 30051200 its reverse (215003), we get a palindrome (30266203).
The spelling of 30051200 in words is "thirty million, fifty-one thousand, two hundred".
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