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214084705 = 542816941
BaseRepresentation
bin11001100001010…
…10110001100001
3112220211122000011
430300222301201
5414301202310
633124324521
75206455442
oct1460526141
9486748004
10214084705
11aa93300a
125b843741
1335479153
142060b2c9
1513bdc78a
hexcc2ac61

214084705 has 4 divisors (see below), whose sum is σ = 256901652. Its totient is φ = 171267760.

The previous prime is 214084697. The next prime is 214084709. The reversal of 214084705 is 507480412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 103245921 + 110838784 = 10161^2 + 10528^2 .

It is not a de Polignac number, because 214084705 - 23 = 214084697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214084709) 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, 21408466 + ... + 21408475.

It is an arithmetic number, because the mean of its divisors is an integer number (64225413).

Almost surely, 2214084705 is an apocalyptic number.

It is an amenable number.

214084705 is a deficient number, since it is larger than the sum of its proper divisors (42816947).

214084705 is an equidigital number, since it uses as much as digits as its factorization.

214084705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42816946.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 214084705 is about 14631.6337091932. The cubic root of 214084705 is about 598.2213110234.

The spelling of 214084705 in words is "two hundred fourteen million, eighty-four thousand, seven hundred five".

Divisors: 1 5 42816941 214084705