Base | Representation |
---|---|
bin | 10010101010001… |
… | …011100111101100 |
3 | 210211001110111001 |
4 | 102222023213230 |
5 | 1120120010112 |
6 | 51021410044 |
7 | 10520601010 |
oct | 2252134754 |
9 | 724043431 |
10 | 313047532 |
11 | 150786276 |
12 | 88a09924 |
13 | 4cb18835 |
14 | 2d80c540 |
15 | 1c739c57 |
hex | 12a8b9ec |
313047532 has 24 divisors (see below), whose sum is σ = 633134880. Its totient is φ = 132654720.
The previous prime is 313047529. The next prime is 313047541. The reversal of 313047532 is 235740313.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a self number, because there is not a number n which added to its sum of digits gives 313047532.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60319 + ... + 65302.
It is an arithmetic number, because the mean of its divisors is an integer number (26380620).
Almost surely, 2313047532 is an apocalyptic number.
It is an amenable number.
313047532 is an abundant number, since it is smaller than the sum of its proper divisors (320087348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
313047532 is a wasteful number, since it uses less digits than its factorization.
313047532 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 125721 (or 125719 counting only the distinct ones).
The product of its (nonzero) digits is 7560, while the sum is 28.
The square root of 313047532 is about 17693.1492957020. The cubic root of 313047532 is about 679.0005010397. Note that the first 3 decimals are identical.
Adding to 313047532 its reverse (235740313), we get a palindrome (548787845).
The spelling of 313047532 in words is "three hundred thirteen million, forty-seven thousand, five hundred thirty-two".
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