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486783409 = 769540487
BaseRepresentation
bin11101000000111…
…011100110110001
31020220222011022011
4131000323212301
51444104032114
6120145242521
715030406420
oct3500734661
91226864264
10486783409
1122a85a642
12117033441
1379b08428
14489152b7
152cb071c4
hex1d03b9b1

486783409 has 4 divisors (see below), whose sum is σ = 556323904. Its totient is φ = 417242916.

The previous prime is 486783397. The next prime is 486783413. The reversal of 486783409 is 904387684.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 486783409 - 25 = 486783377 is a prime.

It is a super-2 number, since 2×4867834092 = 473916174555322562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (486783419) 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, 34770237 + ... + 34770250.

It is an arithmetic number, because the mean of its divisors is an integer number (139080976).

Almost surely, 2486783409 is an apocalyptic number.

It is an amenable number.

486783409 is a deficient number, since it is larger than the sum of its proper divisors (69540495).

486783409 is an equidigital number, since it uses as much as digits as its factorization.

486783409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69540494.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The square root of 486783409 is about 22063.1686074326. The cubic root of 486783409 is about 786.6446425854.

The spelling of 486783409 in words is "four hundred eighty-six million, seven hundred eighty-three thousand, four hundred nine".

Divisors: 1 7 69540487 486783409