Search a number
-
+
214455143 = 7132723087
BaseRepresentation
bin11001100100001…
…01001101100111
3112221112110011002
430302011031213
5414400031033
633140303515
75212560440
oct1462051547
9487473132
10214455143
11100066361
125b9a1b9b
1335578946
14206a62c7
1513c623e8
hexcc85367

214455143 has 8 divisors (see below), whose sum is σ = 245286912. Its totient is φ = 183672216.

The previous prime is 214455113. The next prime is 214455149. The reversal of 214455143 is 341554412.

214455143 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 not a de Polignac number, because 214455143 - 26 = 214455079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214455149) 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, 2255 + ... + 20832.

It is an arithmetic number, because the mean of its divisors is an integer number (30660864).

Almost surely, 2214455143 is an apocalyptic number.

214455143 is a deficient number, since it is larger than the sum of its proper divisors (30831769).

214455143 is a wasteful number, since it uses less digits than its factorization.

214455143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24421.

The product of its digits is 9600, while the sum is 29.

The square root of 214455143 is about 14644.2870430759. The cubic root of 214455143 is about 598.5661530529.

The spelling of 214455143 in words is "two hundred fourteen million, four hundred fifty-five thousand, one hundred forty-three".

Divisors: 1 7 1327 9289 23087 161609 30636449 214455143