Base | Representation |
---|---|
bin | 10100100111000… |
… | …000000101001111 |
3 | 220002121211220021 |
4 | 110213000011033 |
5 | 1202004041041 |
6 | 54151003011 |
7 | 11365660522 |
oct | 2447000517 |
9 | 802554807 |
10 | 345768271 |
11 | 1681a4902 |
12 | 97969467 |
13 | 56834014 |
14 | 33cc8bb9 |
15 | 2054ecd1 |
hex | 149c014f |
345768271 has 4 divisors (see below), whose sum is σ = 347506000. Its totient is φ = 344030544.
The previous prime is 345768263. The next prime is 345768277. The reversal of 345768271 is 172867543.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172867543 = 17 ⋅10168679.
It is a cyclic number.
It is not a de Polignac number, because 345768271 - 23 = 345768263 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (345768277) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868566 + ... + 868963.
It is an arithmetic number, because the mean of its divisors is an integer number (86876500).
Almost surely, 2345768271 is an apocalyptic number.
345768271 is a deficient number, since it is larger than the sum of its proper divisors (1737729).
345768271 is a wasteful number, since it uses less digits than its factorization.
345768271 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1737728.
The product of its digits is 282240, while the sum is 43.
The square root of 345768271 is about 18594.8452803458. The cubic root of 345768271 is about 701.8781339200.
The spelling of 345768271 in words is "three hundred forty-five million, seven hundred sixty-eight thousand, two hundred seventy-one".
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