Base | Representation |
---|---|
bin | 101100010010000… |
… | …0100010000011111 |
3 | 10211112212222111211 |
4 | 1120210010100133 |
5 | 11020334142011 |
6 | 403234525251 |
7 | 51551341060 |
oct | 13044042037 |
9 | 3745788454 |
10 | 1485849631 |
11 | 6a27a5902 |
12 | 355736827 |
13 | 1a8aa9586 |
14 | 10149c567 |
15 | 8a6a1b21 |
hex | 5890441f |
1485849631 has 4 divisors (see below), whose sum is σ = 1698113872. Its totient is φ = 1273585392.
The previous prime is 1485849613. The next prime is 1485849637. The reversal of 1485849631 is 1369485841.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1485849631 - 215 = 1485816863 is a prime.
It is a super-2 number, since 2×14858496312 = 4415498251885672322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1485849637) 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, 106132110 + ... + 106132123.
It is an arithmetic number, because the mean of its divisors is an integer number (424528468).
Almost surely, 21485849631 is an apocalyptic number.
1485849631 is a deficient number, since it is larger than the sum of its proper divisors (212264241).
1485849631 is an equidigital number, since it uses as much as digits as its factorization.
1485849631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 212264240.
The product of its digits is 829440, while the sum is 49.
The square root of 1485849631 is about 38546.7201069040. The cubic root of 1485849631 is about 1141.1032796615.
The spelling of 1485849631 in words is "one billion, four hundred eighty-five million, eight hundred forty-nine thousand, six hundred thirty-one".
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