Search a number
-
+
212242014 = 23297121559
BaseRepresentation
bin11001010011010…
…00111001011110
3112210101000022100
430221220321132
5413313221024
633021025530
75155012245
oct1451507136
9483330270
10212242014
11a9894626
125b0b52a6
1334c824ba
142028b95c
15139767c9
hexca68e5e

212242014 has 24 divisors (see below), whose sum is σ = 464602320. Its totient is φ = 70017408.

The previous prime is 212242001. The next prime is 212242021. The reversal of 212242014 is 410242212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59034 + ... + 62525.

It is an arithmetic number, because the mean of its divisors is an integer number (19358430).

Almost surely, 2212242014 is an apocalyptic number.

212242014 is an abundant number, since it is smaller than the sum of its proper divisors (252360306).

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

212242014 is a wasteful number, since it uses less digits than its factorization.

212242014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121664 (or 121661 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 212242014 is about 14568.5282029449. The cubic root of 212242014 is about 596.5000064407.

Adding to 212242014 its reverse (410242212), we get a palindrome (622484226).

The spelling of 212242014 in words is "two hundred twelve million, two hundred forty-two thousand, fourteen".

Divisors: 1 2 3 6 9 18 97 194 291 582 873 1746 121559 243118 364677 729354 1094031 2188062 11791223 23582446 35373669 70747338 106121007 212242014