Base | Representation |
---|---|
bin | 111010110101… |
… | …1000000001000 |
3 | 2011001012002220 |
4 | 1311223000020 |
5 | 30344100414 |
6 | 3021054040 |
7 | 523123620 |
oct | 165530010 |
9 | 64035086 |
10 | 30846984 |
11 | 16459883 |
12 | a3b7320 |
13 | 651066c |
14 | 414d880 |
15 | 2a94ca9 |
hex | 1d6b008 |
30846984 has 64 divisors (see below), whose sum is σ = 90992640. Its totient is φ = 8527680.
The previous prime is 30846967. The next prime is 30847021. The reversal of 30846984 is 48964803.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2247 + ... + 8169.
It is an arithmetic number, because the mean of its divisors is an integer number (1421760).
Almost surely, 230846984 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 30846984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45496320).
30846984 is an abundant number, since it is smaller than the sum of its proper divisors (60145656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30846984 is a wasteful number, since it uses less digits than its factorization.
30846984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5970 (or 5966 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 42.
The square root of 30846984 is about 5554.0061217107. The cubic root of 30846984 is about 313.6203506594.
The spelling of 30846984 in words is "thirty million, eight hundred forty-six thousand, nine hundred eighty-four".
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