Base | Representation |
---|---|
bin | 10100100100100… |
… | …000000010100100 |
3 | 220001101112200100 |
4 | 110210200002210 |
5 | 1201322101430 |
6 | 54124544100 |
7 | 11360260410 |
oct | 2444400244 |
9 | 801345610 |
10 | 345112740 |
11 | 167897345 |
12 | 976b2030 |
13 | 5666482b |
14 | 33b97d40 |
15 | 20470960 |
hex | 149200a4 |
345112740 has 72 divisors (see below), whose sum is σ = 1196395200. Its totient is φ = 78882624.
The previous prime is 345112709. The next prime is 345112741. The reversal of 345112740 is 47211543.
It is not an unprimeable number, because it can be changed into a prime (345112741) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135690 + ... + 138209.
It is an arithmetic number, because the mean of its divisors is an integer number (16616600).
Almost surely, 2345112740 is an apocalyptic number.
345112740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
345112740 is an abundant number, since it is smaller than the sum of its proper divisors (851282460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
345112740 is a wasteful number, since it uses less digits than its factorization.
345112740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 273921 (or 273916 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 345112740 is about 18577.2102318943. The cubic root of 345112740 is about 701.4342972187.
The spelling of 345112740 in words is "three hundred forty-five million, one hundred twelve thousand, seven hundred forty".
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