Search a number
-
+
217214 = 2671621
BaseRepresentation
bin110101000001111110
3102000221222
4311001332
523422324
64353342
71563164
oct650176
9360858
10217214
11139218
12a5852
1377b3a
1459234
154455e
hex3507e

217214 has 8 divisors (see below), whose sum is σ = 330888. Its totient is φ = 106920.

The previous prime is 217207. The next prime is 217219. The reversal of 217214 is 412712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 217192 and 217201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (217219) by changing a digit.

217214 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677 + ... + 944.

It is an arithmetic number, because the mean of its divisors is an integer number (41361).

2217214 is an apocalyptic number.

217214 is a deficient number, since it is larger than the sum of its proper divisors (113674).

217214 is a wasteful number, since it uses less digits than its factorization.

217214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690.

The product of its digits is 112, while the sum is 17.

The square root of 217214 is about 466.0622276049. The cubic root of 217214 is about 60.1121974721.

Adding to 217214 its reverse (412712), we get a palindrome (629926).

The spelling of 217214 in words is "two hundred seventeen thousand, two hundred fourteen", and thus it is an iban number.

Divisors: 1 2 67 134 1621 3242 108607 217214