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485312811 = 32316214339
BaseRepresentation
bin11100111011010…
…100100100101011
31020211012110000120
4130323110210223
51443220002221
6120053534323
715012043104
oct3473244453
91224173016
10485312811
11229a45775
121166443a3
1379711c59
14486513ab
152c9165c6
hex1ced492b

485312811 has 16 divisors (see below), whose sum is σ = 675790080. Its totient is φ = 309212640.

The previous prime is 485312797. The next prime is 485312873. The reversal of 485312811 is 118213584.

It is not a de Polignac number, because 485312811 - 210 = 485311787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (485312881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109680 + ... + 114018.

It is an arithmetic number, because the mean of its divisors is an integer number (42236880).

Almost surely, 2485312811 is an apocalyptic number.

485312811 is a deficient number, since it is larger than the sum of its proper divisors (190477269).

485312811 is a wasteful number, since it uses less digits than its factorization.

485312811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5986.

The product of its digits is 7680, while the sum is 33.

The square root of 485312811 is about 22029.8164086767. The cubic root of 485312811 is about 785.8516787252.

The spelling of 485312811 in words is "four hundred eighty-five million, three hundred twelve thousand, eight hundred eleven".

Divisors: 1 3 23 69 1621 4339 4863 13017 37283 99797 111849 299391 7033519 21100557 161770937 485312811