Search a number
-
+
214458839 = 7234712613
BaseRepresentation
bin11001100100001…
…10000111010111
3112221112122012222
430302012013113
5414400140324
633140332555
75212604300
oct1462060727
9487478188
10214458839
11100069111
125b9a415b
133557a52a
14206a77a7
1513c6355e
hexcc861d7

214458839 has 12 divisors (see below), whose sum is σ = 250211304. Its totient is φ = 183277584.

The previous prime is 214458821. The next prime is 214458847. The reversal of 214458839 is 938854412.

It is a happy number.

214458839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-214458839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214458839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214458809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10697 + ... + 23309.

It is an arithmetic number, because the mean of its divisors is an integer number (20850942).

Almost surely, 2214458839 is an apocalyptic number.

214458839 is a deficient number, since it is larger than the sum of its proper divisors (35752465).

214458839 is a wasteful number, since it uses less digits than its factorization.

214458839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12974 (or 12967 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 214458839 is about 14644.4132350873. The cubic root of 214458839 is about 598.5695916707.

The spelling of 214458839 in words is "two hundred fourteen million, four hundred fifty-eight thousand, eight hundred thirty-nine".

Divisors: 1 7 49 347 2429 12613 17003 88291 618037 4376711 30636977 214458839