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214001 = 1731237
BaseRepresentation
bin110100001111110001
3101212112222
4310033301
523322001
64330425
71550624
oct641761
9355488
10214001
11136867
12a3a15
1376538
1457dbb
154361b
hex343f1

214001 has 4 divisors (see below), whose sum is σ = 215412. Its totient is φ = 212592.

The previous prime is 213989. The next prime is 214003. The reversal of 214001 is 100412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 179776 + 34225 = 424^2 + 185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-214001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 214001.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 214001.

It is not an unprimeable number, because it can be changed into a prime (214003) 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, 446 + ... + 791.

It is an arithmetic number, because the mean of its divisors is an integer number (53853).

2214001 is an apocalyptic number.

It is an amenable number.

214001 is a deficient number, since it is larger than the sum of its proper divisors (1411).

214001 is a wasteful number, since it uses less digits than its factorization.

214001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 214001 is about 462.6024210918. The cubic root of 214001 is about 59.8143334657.

Adding to 214001 its reverse (100412), we get a palindrome (314413).

The spelling of 214001 in words is "two hundred fourteen thousand, one", and thus it is an iban number.

Divisors: 1 173 1237 214001