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214345 = 5163263
BaseRepresentation
bin110100010101001001
3101220000201
4310111021
523324340
64332201
71551625
oct642511
9356021
10214345
1113704a
12a4061
1376741
1458185
154379a
hex34549

214345 has 8 divisors (see below), whose sum is σ = 259776. Its totient is φ = 169776.

The previous prime is 214309. The next prime is 214351. The reversal of 214345 is 543412.

214345 is nontrivially palindromic in base 14.

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

It is a cyclic number.

It is not a de Polignac number, because 214345 - 29 = 213833 is a prime.

It is a d-powerful number, because it can be written as 217 + 1 + 33 + 45 + 46 + 57 .

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684 + ... + 946.

It is an arithmetic number, because the mean of its divisors is an integer number (32472).

2214345 is an apocalyptic number.

It is an amenable number.

214345 is a deficient number, since it is larger than the sum of its proper divisors (45431).

214345 is a wasteful number, since it uses less digits than its factorization.

214345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431.

The product of its digits is 480, while the sum is 19.

The square root of 214345 is about 462.9740813480. The cubic root of 214345 is about 59.8463662060.

Adding to 214345 its reverse (543412), we get a palindrome (757757).

The spelling of 214345 in words is "two hundred fourteen thousand, three hundred forty-five".

Divisors: 1 5 163 263 815 1315 42869 214345