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214315169 = 313684713
BaseRepresentation
bin11001100011000…
…11000010100001
3112221021100010212
430301203002201
5414331041134
633133303505
75211435365
oct1461430241
9487240125
10214315169
11aaa80182
125b934b95
133552a013
142066b2a5
1513c35bce
hexcc630a1

214315169 has 4 divisors (see below), whose sum is σ = 215000196. Its totient is φ = 213630144.

The previous prime is 214315151. The next prime is 214315187. The reversal of 214315169 is 961513412.

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

It is an interprime number because it is at equal distance from previous prime (214315151) and next prime (214315187).

It can be written as a sum of positive squares in 2 ways, for example, as 108472225 + 105842944 = 10415^2 + 10288^2 .

It is a cyclic number.

It is not a de Polignac number, because 214315169 - 220 = 213266593 is a prime.

It is a super-2 number, since 2×2143151692 = 91861983326997122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214315109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342044 + ... + 342669.

It is an arithmetic number, because the mean of its divisors is an integer number (53750049).

Almost surely, 2214315169 is an apocalyptic number.

It is an amenable number.

214315169 is a deficient number, since it is larger than the sum of its proper divisors (685027).

214315169 is an equidigital number, since it uses as much as digits as its factorization.

214315169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685026.

The product of its digits is 6480, while the sum is 32.

The square root of 214315169 is about 14639.5071296817. The cubic root of 214315169 is about 598.4358974781.

The spelling of 214315169 in words is "two hundred fourteen million, three hundred fifteen thousand, one hundred sixty-nine".

Divisors: 1 313 684713 214315169