Base | Representation |
---|---|
bin | 111001111000… |
… | …1111000100000 |
3 | 2010002222120200 |
4 | 1303301320200 |
5 | 30232212010 |
6 | 3002305200 |
7 | 515656350 |
oct | 163617040 |
9 | 63088520 |
10 | 30350880 |
11 | 1615007a |
12 | a1b8200 |
13 | 6398901 |
14 | 4060b60 |
15 | 29e7cc0 |
hex | 1cf1e20 |
30350880 has 144 divisors (see below), whose sum is σ = 118407744. Its totient is φ = 6935040.
The previous prime is 30350851. The next prime is 30350893. The reversal of 30350880 is 8805303.
It is a tau number, because it is divible by the number of its divisors (144).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8575 + ... + 11585.
It is an arithmetic number, because the mean of its divisors is an integer number (822276).
Almost surely, 230350880 is an apocalyptic number.
30350880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30350880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59203872).
30350880 is an abundant number, since it is smaller than the sum of its proper divisors (88056864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30350880 is a wasteful number, since it uses less digits than its factorization.
30350880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3039 (or 3028 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 30350880 is about 5509.1632758523. The cubic root of 30350880 is about 311.9299645563.
The spelling of 30350880 in words is "thirty million, three hundred fifty thousand, eight hundred eighty".
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