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214001311 = 317675083
BaseRepresentation
bin11001100000101…
…10011010011111
3112220200101121111
430300112122133
5414241020221
633122442451
75205660346
oct1460263237
9486611544
10214001311
11aa886397
125b803427
133544a1c4
14205c8b5d
1513bc2be1
hexcc1669f

214001311 has 4 divisors (see below), whose sum is σ = 214676712. Its totient is φ = 213325912.

The previous prime is 214001257. The next prime is 214001323. The reversal of 214001311 is 113100412.

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 214001311 - 211 = 213999263 is a prime.

It is a super-2 number, since 2×2140013112 = 91593122219437442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214001291 and 214001300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214001341) 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, 337225 + ... + 337858.

It is an arithmetic number, because the mean of its divisors is an integer number (53669178).

Almost surely, 2214001311 is an apocalyptic number.

214001311 is a deficient number, since it is larger than the sum of its proper divisors (675401).

214001311 is an equidigital number, since it uses as much as digits as its factorization.

214001311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675400.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 214001311 is about 14628.7836473167. The cubic root of 214001311 is about 598.1436244099.

Adding to 214001311 its reverse (113100412), we get a palindrome (327101723).

The spelling of 214001311 in words is "two hundred fourteen million, one thousand, three hundred eleven".

Divisors: 1 317 675083 214001311