Base | Representation |
---|---|
bin | 10100100100100… |
… | …001101000110000 |
3 | 220001101212122120 |
4 | 110210201220300 |
5 | 1201322304110 |
6 | 54125034240 |
7 | 11360315442 |
oct | 2444415060 |
9 | 801355576 |
10 | 345119280 |
11 | 1678a1250 |
12 | 976b5980 |
13 | 566677bc |
14 | 33b9a492 |
15 | 20472870 |
hex | 14921a30 |
345119280 has 160 divisors (see below), whose sum is σ = 1205065728. Its totient is φ = 80947200.
The previous prime is 345119233. The next prime is 345119297. The reversal of 345119280 is 82911543.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a plaindrome in base 13.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79732 + ... + 83948.
Almost surely, 2345119280 is an apocalyptic number.
345119280 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 345119280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602532864).
345119280 is an abundant number, since it is smaller than the sum of its proper divisors (859946448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
345119280 is a wasteful number, since it uses less digits than its factorization.
345119280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4275 (or 4269 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 33.
The square root of 345119280 is about 18577.3862531843. The cubic root of 345119280 is about 701.4387279943.
The spelling of 345119280 in words is "three hundred forty-five million, one hundred nineteen thousand, two hundred eighty".
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