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486400745 = 5173562313
BaseRepresentation
bin11100111111011…
…110001011101001
31020220020201101102
4130333132023221
51444004310440
6120133131145
715024223655
oct3477361351
91226221342
10486400745
1122a619096
12116a89ab5
1379a031bc
1448855a65
152ca7db15
hex1cfde2e9

486400745 has 8 divisors (see below), whose sum is σ = 587055816. Its totient is φ = 386870656.

The previous prime is 486400727. The next prime is 486400799. The reversal of 486400745 is 547004684.

It can be written as a sum of positive squares in 4 ways, for example, as 290736601 + 195664144 = 17051^2 + 13988^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 486400745 - 28 = 486400489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 486400699 and 486400708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280292 + ... + 282021.

It is an arithmetic number, because the mean of its divisors is an integer number (73381977).

Almost surely, 2486400745 is an apocalyptic number.

It is an amenable number.

486400745 is a deficient number, since it is larger than the sum of its proper divisors (100655071).

486400745 is a wasteful number, since it uses less digits than its factorization.

486400745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562491.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 486400745 is about 22054.4948933318. The cubic root of 486400745 is about 786.4384595119.

The spelling of 486400745 in words is "four hundred eighty-six million, four hundred thousand, seven hundred forty-five".

Divisors: 1 5 173 865 562313 2811565 97280149 486400745