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214889 = 239343
BaseRepresentation
bin110100011101101001
3101220202212
4310131221
523334024
64334505
71553333
oct643551
9356685
10214889
111374a4
12a4435
1376a6c
1458453
1543a0e
hex34769

214889 has 4 divisors (see below), whose sum is σ = 224256. Its totient is φ = 205524.

The previous prime is 214883. The next prime is 214891. The reversal of 214889 is 988412.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-214889 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 214889.

It is not an unprimeable number, because it can be changed into a prime (214883) 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, 4649 + ... + 4694.

It is an arithmetic number, because the mean of its divisors is an integer number (56064).

2214889 is an apocalyptic number.

It is an amenable number.

214889 is a deficient number, since it is larger than the sum of its proper divisors (9367).

214889 is an equidigital number, since it uses as much as digits as its factorization.

214889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9366.

The product of its digits is 4608, while the sum is 32.

The square root of 214889 is about 463.5612149436. The cubic root of 214889 is about 59.8969527520.

The spelling of 214889 in words is "two hundred fourteen thousand, eight hundred eighty-nine".

Divisors: 1 23 9343 214889