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214999 = 1712647
BaseRepresentation
bin110100011111010111
3101220220221
4310133113
523334444
64335211
71553551
oct643727
9356827
10214999
11137594
12a4507
1376b25
14584d1
1543a84
hex347d7

214999 has 4 divisors (see below), whose sum is σ = 227664. Its totient is φ = 202336.

The previous prime is 214993. The next prime is 215051. The reversal of 214999 is 999412.

214999 is nontrivially palindromic in base 7.

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 214999 - 25 = 214967 is a prime.

214999 is a modest number, since divided by 999 gives 214 as remainder.

It is a plaindrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214993) 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, 6307 + ... + 6340.

It is an arithmetic number, because the mean of its divisors is an integer number (56916).

2214999 is an apocalyptic number.

214999 is a deficient number, since it is larger than the sum of its proper divisors (12665).

214999 is a wasteful number, since it uses less digits than its factorization.

214999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12664.

The product of its digits is 5832, while the sum is 34.

The square root of 214999 is about 463.6798464458. The cubic root of 214999 is about 59.9071712693.

The spelling of 214999 in words is "two hundred fourteen thousand, nine hundred ninety-nine".

Divisors: 1 17 12647 214999