Base | Representation |
---|---|
bin | 10010101010010… |
… | …000111001011101 |
3 | 210211002120010200 |
4 | 102222100321131 |
5 | 1120121203044 |
6 | 51022054113 |
7 | 10521021021 |
oct | 2252207135 |
9 | 724076120 |
10 | 313069149 |
11 | 1507a0538 |
12 | 88a1a339 |
13 | 4cb25623 |
14 | 2d816381 |
15 | 1c741369 |
hex | 12a90e5d |
313069149 has 12 divisors (see below), whose sum is σ = 456874236. Its totient is φ = 206560512.
The previous prime is 313069129. The next prime is 313069177. The reversal of 313069149 is 941960313.
It can be written as a sum of positive squares in 2 ways, for example, as 129276900 + 183792249 = 11370^2 + 13557^2 .
It is not a de Polignac number, because 313069149 - 25 = 313069117 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313069129) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178434 + ... + 180179.
It is an arithmetic number, because the mean of its divisors is an integer number (38072853).
Almost surely, 2313069149 is an apocalyptic number.
It is an amenable number.
313069149 is a deficient number, since it is larger than the sum of its proper divisors (143805087).
313069149 is a wasteful number, since it uses less digits than its factorization.
313069149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 358716 (or 358713 counting only the distinct ones).
The product of its (nonzero) digits is 17496, while the sum is 36.
The square root of 313069149 is about 17693.7601713146. The cubic root of 313069149 is about 679.0161297802.
The spelling of 313069149 in words is "three hundred thirteen million, sixty-nine thousand, one hundred forty-nine".
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