Base | Representation |
---|---|
bin | 10010011111010… |
… | …111100110110010 |
3 | 210121201110021221 |
4 | 102133113212302 |
5 | 1113403304132 |
6 | 50440535254 |
7 | 10454524126 |
oct | 2237274662 |
9 | 717643257 |
10 | 310213042 |
11 | 14a11a717 |
12 | 87a8152a |
13 | 4c365619 |
14 | 2d2b1586 |
15 | 1c379e97 |
hex | 127d79b2 |
310213042 has 16 divisors (see below), whose sum is σ = 493140312. Its totient is φ = 145849600.
The previous prime is 310213039. The next prime is 310213049. The reversal of 310213042 is 240312013.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 256352121 + 53860921 = 16011^2 + 7339^2 .
It is not an unprimeable number, because it can be changed into a prime (310213049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40728 + ... + 47740.
Almost surely, 2310213042 is an apocalyptic number.
310213042 is a deficient number, since it is larger than the sum of its proper divisors (182927270).
310213042 is a wasteful number, since it uses less digits than its factorization.
310213042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8333.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 310213042 is about 17612.8658088342. The cubic root of 310213042 is about 676.9449470028.
Adding to 310213042 its reverse (240312013), we get a palindrome (550525055).
The spelling of 310213042 in words is "three hundred ten million, two hundred thirteen thousand, forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •