Base | Representation |
---|---|
bin | 111010001110… |
… | …1110100111010 |
3 | 2010110010111010 |
4 | 1310131310322 |
5 | 30303441444 |
6 | 3010214350 |
7 | 520336203 |
oct | 164356472 |
9 | 63403433 |
10 | 30530874 |
11 | 16263330 |
12 | a2843b6 |
13 | 642c80a |
14 | 40aa5aa |
15 | 2a312b9 |
hex | 1d1dd3a |
30530874 has 16 divisors (see below), whose sum is σ = 66612960. Its totient is φ = 9251760.
The previous prime is 30530873. The next prime is 30530909. The reversal of 30530874 is 47803503.
It is not an unprimeable number, because it can be changed into a prime (30530873) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231229 + ... + 231360.
It is an arithmetic number, because the mean of its divisors is an integer number (4163310).
Almost surely, 230530874 is an apocalyptic number.
30530874 is an abundant number, since it is smaller than the sum of its proper divisors (36082086).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30530874 is a wasteful number, since it uses less digits than its factorization.
30530874 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 462605.
The product of its (nonzero) digits is 10080, while the sum is 30.
The square root of 30530874 is about 5525.4750022057. The cubic root of 30530874 is about 312.5453766641.
The spelling of 30530874 in words is "thirty million, five hundred thirty thousand, eight hundred seventy-four".
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