Base | Representation |
---|---|
bin | 10100100100111… |
… | …100111000100000 |
3 | 220001121112201220 |
4 | 110210330320200 |
5 | 1201334342010 |
6 | 54131255040 |
7 | 11361262011 |
oct | 2444747040 |
9 | 801545656 |
10 | 345230880 |
11 | 167968085 |
12 | 9774a480 |
13 | 566a6537 |
14 | 33bc9008 |
15 | 20495970 |
hex | 1493ce20 |
345230880 has 96 divisors (see below), whose sum is σ = 1122605568. Its totient is φ = 89088000.
The previous prime is 345230867. The next prime is 345230909. The reversal of 345230880 is 88032543.
It is a tau number, because it is divible by the number of its divisors (96).
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, 3280 + ... + 26480.
It is an arithmetic number, because the mean of its divisors is an integer number (11693808).
Almost surely, 2345230880 is an apocalyptic number.
345230880 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 345230880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (561302784).
345230880 is an abundant number, since it is smaller than the sum of its proper divisors (777374688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
345230880 is a wasteful number, since it uses less digits than its factorization.
345230880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23250 (or 23242 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 33.
The square root of 345230880 is about 18580.3896622218. The cubic root of 345230880 is about 701.5143270990.
The spelling of 345230880 in words is "three hundred forty-five million, two hundred thirty thousand, eight hundred eighty".
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