Base | Representation |
---|---|
bin | 10100100100011… |
… | …110110100011100 |
3 | 220001101021211011 |
4 | 110210132310130 |
5 | 1201321421430 |
6 | 54124505004 |
7 | 11360240005 |
oct | 2444366434 |
9 | 801337734 |
10 | 345107740 |
11 | 16789360a |
12 | 976ab164 |
13 | 56662483 |
14 | 33b961ac |
15 | 2046e22a |
hex | 1491ed1c |
345107740 has 24 divisors (see below), whose sum is σ = 726037200. Its totient is φ = 137793408.
The previous prime is 345107729. The next prime is 345107759. The reversal of 345107740 is 47701543.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4065 + ... + 26584.
It is an arithmetic number, because the mean of its divisors is an integer number (30251550).
Almost surely, 2345107740 is an apocalyptic number.
It is an amenable number.
345107740 is an abundant number, since it is smaller than the sum of its proper divisors (380929460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
345107740 is a wasteful number, since it uses less digits than its factorization.
345107740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31221 (or 31219 counting only the distinct ones).
The product of its (nonzero) digits is 11760, while the sum is 31.
The square root of 345107740 is about 18577.0756579177. The cubic root of 345107740 is about 701.4309097378.
The spelling of 345107740 in words is "three hundred forty-five million, one hundred seven thousand, seven hundred forty".
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