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214042331 = 1012119231
BaseRepresentation
bin11001100001000…
…00011011011011
3112220202110212202
430300200123123
5414243323311
633123400415
75206221056
oct1460403333
9486673782
10214042331
11aa904198
125b82310b
1335462a89
14205d9a9d
1513bcee3b
hexcc206db

214042331 has 4 divisors (see below), whose sum is σ = 216161664. Its totient is φ = 211923000.

The previous prime is 214042327. The next prime is 214042337. The reversal of 214042331 is 133240412.

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

It is a cyclic number.

It is not a de Polignac number, because 214042331 - 22 = 214042327 is a prime.

It is a super-2 number, since 2×2140423312 = 91628238919827122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214042337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1059515 + ... + 1059716.

It is an arithmetic number, because the mean of its divisors is an integer number (54040416).

Almost surely, 2214042331 is an apocalyptic number.

214042331 is a deficient number, since it is larger than the sum of its proper divisors (2119333).

214042331 is a wasteful number, since it uses less digits than its factorization.

214042331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119332.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 214042331 is about 14630.1856105792. The cubic root of 214042331 is about 598.1818395714.

Adding to 214042331 its reverse (133240412), we get a palindrome (347282743).

The spelling of 214042331 in words is "two hundred fourteen million, forty-two thousand, three hundred thirty-one".

Divisors: 1 101 2119231 214042331