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223905713 = 239735031
BaseRepresentation
bin11010101100010…
…00011110110001
3120121022120220012
431112020132301
5424304440323
634115024305
75356111223
oct1526103661
9517276805
10223905713
11105430749
1262b9b095
13375073b5
1421a46413
15149cc678
hexd5887b1

223905713 has 4 divisors (see below), whose sum is σ = 233640768. Its totient is φ = 214170660.

The previous prime is 223905701. The next prime is 223905719. The reversal of 223905713 is 317509322.

223905713 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223905713 - 28 = 223905457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223905713.

It is not an unprimeable number, because it can be changed into a prime (223905719) 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, 4867493 + ... + 4867538.

It is an arithmetic number, because the mean of its divisors is an integer number (58410192).

Almost surely, 2223905713 is an apocalyptic number.

223905713 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

223905713 is a deficient number, since it is larger than the sum of its proper divisors (9735055).

223905713 is an equidigital number, since it uses as much as digits as its factorization.

223905713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9735054.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 223905713 is about 14963.4793079685. The cubic root of 223905713 is about 607.2325708497.

The spelling of 223905713 in words is "two hundred twenty-three million, nine hundred five thousand, seven hundred thirteen".

Divisors: 1 23 9735031 223905713