Base | Representation |
---|---|
bin | 10010100011110… |
… | …010000101000101 |
3 | 210200220020102012 |
4 | 102203302011011 |
5 | 1114202320203 |
6 | 50521424005 |
7 | 10500413261 |
oct | 2243620505 |
9 | 720806365 |
10 | 311370053 |
11 | 14a83aa25 |
12 | 8833b005 |
13 | 4c67c147 |
14 | 2d4d30a1 |
15 | 1c507bd8 |
hex | 128f2145 |
311370053 has 2 divisors, whose sum is σ = 311370054. Its totient is φ = 311370052.
The previous prime is 311370049. The next prime is 311370109. The reversal of 311370053 is 350073113.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 237375649 + 73994404 = 15407^2 + 8602^2 .
It is a cyclic number.
It is not a de Polignac number, because 311370053 - 22 = 311370049 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (311370023) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155685026 + 155685027.
It is an arithmetic number, because the mean of its divisors is an integer number (155685027).
Almost surely, 2311370053 is an apocalyptic number.
It is an amenable number.
311370053 is a deficient number, since it is larger than the sum of its proper divisors (1).
311370053 is an equidigital number, since it uses as much as digits as its factorization.
311370053 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 945, while the sum is 23.
The square root of 311370053 is about 17645.6808596325. The cubic root of 311370053 is about 677.7855102157.
The spelling of 311370053 in words is "three hundred eleven million, three hundred seventy thousand, fifty-three".
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