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212240113 = 2310984659
BaseRepresentation
bin11001010011010…
…00011011110001
3112210100220200221
430221220123301
5413313140423
633021013041
75155003561
oct1451503361
9483326627
10212240113
11a9893158
125b0b4181
1334c81687
142028ada1
1513975e5d
hexca686f1

212240113 has 8 divisors (see below), whose sum is σ = 223502400. Its totient is φ = 201147408.

The previous prime is 212240101. The next prime is 212240141. The reversal of 212240113 is 311042212.

212240113 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212240113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212240713) 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, 39823 + ... + 44836.

It is an arithmetic number, because the mean of its divisors is an integer number (27937800).

Almost surely, 2212240113 is an apocalyptic number.

212240113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

212240113 is a deficient number, since it is larger than the sum of its proper divisors (11262287).

212240113 is a wasteful number, since it uses less digits than its factorization.

212240113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84791.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 212240113 is about 14568.4629594203. The cubic root of 212240113 is about 596.4982255336.

Adding to 212240113 its reverse (311042212), we get a palindrome (523282325).

The spelling of 212240113 in words is "two hundred twelve million, two hundred forty thousand, one hundred thirteen".

Divisors: 1 23 109 2507 84659 1947157 9227831 212240113