Search a number
-
+
214405361 = 895714219
BaseRepresentation
bin11001100011110…
…01000011110001
3112221102220212022
430301321003301
5414341432421
633135241225
75212262342
oct1461710361
9487386768
10214405361
11100031a15
125b979215
133555c0a1
14206920c9
1513c527ab
hexcc790f1

214405361 has 8 divisors (see below), whose sum is σ = 217245600. Its totient is φ = 211574880.

The previous prime is 214405339. The next prime is 214405363. The reversal of 214405361 is 163504412.

214405361 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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-214405361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214405361.

It is not an unprimeable number, because it can be changed into a prime (214405363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48710 + ... + 52928.

It is an arithmetic number, because the mean of its divisors is an integer number (27155700).

Almost surely, 2214405361 is an apocalyptic number.

It is an amenable number.

214405361 is a deficient number, since it is larger than the sum of its proper divisors (2840239).

214405361 is an equidigital number, since it uses as much as digits as its factorization.

214405361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4879.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 214405361 is about 14642.5872372337. The cubic root of 214405361 is about 598.5198339241.

Adding to 214405361 its reverse (163504412), we get a palindrome (377909773).

The spelling of 214405361 in words is "two hundred fourteen million, four hundred five thousand, three hundred sixty-one".

Divisors: 1 89 571 4219 50819 375491 2409049 214405361