Base | Representation |
---|---|
bin | 11100111011001… |
… | …110011011011001 |
3 | 1020211011011111100 |
4 | 130323032123121 |
5 | 1443213201031 |
6 | 120053222013 |
7 | 15011606526 |
oct | 3473163331 |
9 | 1224134440 |
10 | 485287641 |
11 | 229a28873 |
12 | 116631909 |
13 | 79703667 |
14 | 4864614d |
15 | 2c90dde6 |
hex | 1cece6d9 |
485287641 has 12 divisors (see below), whose sum is σ = 702984100. Its totient is φ = 322596000.
The previous prime is 485287591. The next prime is 485287651. The reversal of 485287641 is 146782584.
It can be written as a sum of positive squares in 2 ways, for example, as 413105625 + 72182016 = 20325^2 + 8496^2 .
It is not a de Polignac number, because 485287641 - 214 = 485271257 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (485287651) 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, 74110 + ... + 80391.
Almost surely, 2485287641 is an apocalyptic number.
It is an amenable number.
485287641 is a deficient number, since it is larger than the sum of its proper divisors (217696459).
485287641 is a wasteful number, since it uses less digits than its factorization.
485287641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 154856 (or 154853 counting only the distinct ones).
The product of its digits is 430080, while the sum is 45.
The square root of 485287641 is about 22029.2451300538. The cubic root of 485287641 is about 785.8380928288.
It can be divided in two parts, 48528 and 7641, that added together give a square (56169 = 2372).
The spelling of 485287641 in words is "four hundred eighty-five million, two hundred eighty-seven thousand, six hundred forty-one".
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