Search a number
-
+
211425342 = 2335237557
BaseRepresentation
bin11001001101000…
…01100000111110
3112201211112001020
430212201200332
5413111102332
632551325010
75145041262
oct1446414076
9481745036
10211425342
11a9386a97
125a980766
1334a5786b
14201180a2
151386482c
hexc9a183e

211425342 has 8 divisors (see below), whose sum is σ = 422850696. Its totient is φ = 70475112.

The previous prime is 211425337. The next prime is 211425343. The reversal of 211425342 is 243524112.

It is a sphenic number, since it is the product of 3 distinct primes.

211425342 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211425343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17618773 + ... + 17618784.

It is an arithmetic number, because the mean of its divisors is an integer number (52856337).

Almost surely, 2211425342 is an apocalyptic number.

211425342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211425342 is a wasteful number, since it uses less digits than its factorization.

211425342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35237562.

The product of its digits is 1920, while the sum is 24.

The square root of 211425342 is about 14540.4725507805. The cubic root of 211425342 is about 595.7339454071.

Adding to 211425342 its reverse (243524112), we get a palindrome (454949454).

The spelling of 211425342 in words is "two hundred eleven million, four hundred twenty-five thousand, three hundred forty-two".

Divisors: 1 2 3 6 35237557 70475114 105712671 211425342