Search a number
-
+
212144703 = 370714901
BaseRepresentation
bin11001010010100…
…01001000111111
3112210012001211020
430221101020333
5413302112303
633014555223
75154125451
oct1451211077
9483161736
10212144703
11a9828501
125b068b13
1334c4a114
14202642d1
1513957a53
hexca5123f

212144703 has 4 divisors (see below), whose sum is σ = 282859608. Its totient is φ = 141429800.

The previous prime is 212144627. The next prime is 212144741. The reversal of 212144703 is 307441212.

It is a happy number.

212144703 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 212144703 - 213 = 212136511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212144503) 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, 35357448 + ... + 35357453.

It is an arithmetic number, because the mean of its divisors is an integer number (70714902).

Almost surely, 2212144703 is an apocalyptic number.

212144703 is a deficient number, since it is larger than the sum of its proper divisors (70714905).

212144703 is an equidigital number, since it uses as much as digits as its factorization.

212144703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70714904.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 212144703 is about 14565.1880523390. The cubic root of 212144703 is about 596.4088292597.

Adding to 212144703 its reverse (307441212), we get a palindrome (519585915).

The spelling of 212144703 in words is "two hundred twelve million, one hundred forty-four thousand, seven hundred three".

Divisors: 1 3 70714901 212144703