Base | Representation |
---|---|
bin | 111001110100… |
… | …0001001001000 |
3 | 2010000221212001 |
4 | 1303220021020 |
5 | 30224422414 |
6 | 3001400344 |
7 | 515432134 |
oct | 163501110 |
9 | 63027761 |
10 | 30310984 |
11 | 16123100 |
12 | a1990b4 |
13 | 63836c2 |
14 | 40503c4 |
15 | 29db074 |
hex | 1ce8248 |
30310984 has 48 divisors (see below), whose sum is σ = 63177660. Its totient is φ = 13622400.
The previous prime is 30310979. The next prime is 30311041. The reversal of 30310984 is 48901303.
It can be written as a sum of positive squares in 2 ways, for example, as 30008484 + 302500 = 5478^2 + 550^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167374 + ... + 167554.
Almost surely, 230310984 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30310984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31588830).
30310984 is an abundant number, since it is smaller than the sum of its proper divisors (32866676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30310984 is a wasteful number, since it uses less digits than its factorization.
30310984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 382 (or 367 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 28.
The square root of 30310984 is about 5505.5412086370. The cubic root of 30310984 is about 311.7932281069.
The spelling of 30310984 in words is "thirty million, three hundred ten thousand, nine hundred eighty-four".
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