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214918 = 2119769
BaseRepresentation
bin110100011110000110
3101220210221
4310132012
523334133
64334554
71553404
oct643606
9356727
10214918
11137520
12a445a
1376a92
1458474
1543a2d
hex34786

214918 has 8 divisors (see below), whose sum is σ = 351720. Its totient is φ = 97680.

The previous prime is 214913. The next prime is 214939. The reversal of 214918 is 819412.

It is a happy number.

214918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 214892 and 214901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214913) by changing a digit.

214918 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, 4863 + ... + 4906.

It is an arithmetic number, because the mean of its divisors is an integer number (43965).

2214918 is an apocalyptic number.

214918 is a deficient number, since it is larger than the sum of its proper divisors (136802).

214918 is a wasteful number, since it uses less digits than its factorization.

214918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9782.

The product of its digits is 576, while the sum is 25.

The square root of 214918 is about 463.5924934681. The cubic root of 214918 is about 59.8996470632.

The spelling of 214918 in words is "two hundred fourteen thousand, nine hundred eighteen".

Divisors: 1 2 11 22 9769 19538 107459 214918