Base | Representation |
---|---|
bin | 10010100100000… |
… | …100111000000100 |
3 | 210201001011000201 |
4 | 102210010320010 |
5 | 1114212301134 |
6 | 50523220244 |
7 | 10501153606 |
oct | 2244047004 |
9 | 721034021 |
10 | 311447044 |
11 | 14a892857 |
12 | 88377684 |
13 | 4c6a81bc |
14 | 2d513176 |
15 | 1c520914 |
hex | 12904e04 |
311447044 has 12 divisors (see below), whose sum is σ = 545871564. Its totient is φ = 155483744.
The previous prime is 311447041. The next prime is 311447047. The reversal of 311447044 is 440744113.
It is an interprime number because it is at equal distance from previous prime (311447041) and next prime (311447047).
It can be written as a sum of positive squares in 2 ways, for example, as 40449600 + 270997444 = 6360^2 + 16462^2 .
It is a super-2 number, since 2×3114470442 = 193998522432675872, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (311447041) 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, 57007 + ... + 62230.
It is an arithmetic number, because the mean of its divisors is an integer number (45489297).
Almost surely, 2311447044 is an apocalyptic number.
It is an amenable number.
311447044 is a deficient number, since it is larger than the sum of its proper divisors (234424520).
311447044 is a wasteful number, since it uses less digits than its factorization.
311447044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119894 (or 119892 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 28.
The square root of 311447044 is about 17647.8623068065. The cubic root of 311447044 is about 677.8413698841.
The spelling of 311447044 in words is "three hundred eleven million, four hundred forty-seven thousand, forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •