Base | Representation |
---|---|
bin | 10010101011110… |
… | …011101100100111 |
3 | 210211212010020220 |
4 | 102223303230213 |
5 | 1120222130311 |
6 | 51034455423 |
7 | 10524324606 |
oct | 2253635447 |
9 | 724763226 |
10 | 313473831 |
11 | 150a47590 |
12 | 88b94573 |
13 | 4cc37898 |
14 | 2d8bda3d |
15 | 1c7c1206 |
hex | 12af3b27 |
313473831 has 16 divisors (see below), whose sum is σ = 475787520. Its totient is φ = 181723520.
The previous prime is 313473793. The next prime is 313473841. The reversal of 313473831 is 138374313.
It is a happy number.
It is not a de Polignac number, because 313473831 - 222 = 309279527 is a prime.
It is a super-2 number, since 2×3134738312 = 196531685443633122, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a junction number, because it is equal to n+sod(n) for n = 313473792 and 313473801.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313473841) 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 15 ways as a sum of consecutive naturals, for example, 205746 + ... + 207263.
It is an arithmetic number, because the mean of its divisors is an integer number (29736720).
Almost surely, 2313473831 is an apocalyptic number.
313473831 is a deficient number, since it is larger than the sum of its proper divisors (162313689).
313473831 is a wasteful number, since it uses less digits than its factorization.
313473831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 413046.
The product of its digits is 18144, while the sum is 33.
The square root of 313473831 is about 17705.1922045484. The cubic root of 313473831 is about 679.3085756001.
The spelling of 313473831 in words is "three hundred thirteen million, four hundred seventy-three thousand, eight hundred thirty-one".
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