Base | Representation |
---|---|
bin | 10100011011011… |
… | …010100110100001 |
3 | 212212220112210000 |
4 | 110123122212201 |
5 | 1200214344134 |
6 | 54001530213 |
7 | 11331111144 |
oct | 2433324641 |
9 | 785815700 |
10 | 342731169 |
11 | 166510000 |
12 | 96943969 |
13 | 5600c811 |
14 | 3373805b |
15 | 2014ee99 |
hex | 146da9a1 |
342731169 has 75 divisors (see below), whose sum is σ = 598252435. Its totient is φ = 195497280.
The previous prime is 342731159. The next prime is 342731189. The reversal of 342731169 is 961137243.
The square root of 342731169 is 18513.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 266832225 + 75898944 = 16335^2 + 8712^2 .
It is not a de Polignac number, because 342731169 - 27 = 342731041 is a prime.
It is a super-2 number, since 2×3427311692 = 234929308408213122, which contains 22 as substring.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a zygodrome in base 7.
It is not an unprimeable number, because it can be changed into a prime (342731149) by changing a digit.
It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 20160649 + ... + 20160665.
Almost surely, 2342731169 is an apocalyptic number.
342731169 is the 18513-rd square number.
342731169 is the 9257-th centered octagonal number.
It is an amenable number.
342731169 is a deficient number, since it is larger than the sum of its proper divisors (255521266).
342731169 is an frugal number, since it uses more digits than its factorization.
342731169 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90 (or 31 counting only the distinct ones).
The product of its digits is 27216, while the sum is 36.
The cubic root of 342731169 is about 699.8170739701.
Multiplying 342731169 by its sum of digits (36), we get a square (12338322084 = 1110782).
It can be divided in two parts, 3427 and 31169, that added together give a square (34596 = 1862).
The spelling of 342731169 in words is "three hundred forty-two million, seven hundred thirty-one thousand, one hundred sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.062 sec. • engine limits •