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244428673 = 1912864667
BaseRepresentation
bin11101001000110…
…10111110000001
3122000221021002211
432210122332001
51000033204143
640130542121
76025416016
oct1644327601
9560837084
10244428673
11115a78975
1269a37941
133b841868
142466970d
15166d349d
hexe91af81

244428673 has 4 divisors (see below), whose sum is σ = 257293360. Its totient is φ = 231563988.

The previous prime is 244428671. The next prime is 244428719. The reversal of 244428673 is 376824442.

244428673 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 244428673 - 21 = 244428671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244428671) 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, 6432315 + ... + 6432352.

It is an arithmetic number, because the mean of its divisors is an integer number (64323340).

Almost surely, 2244428673 is an apocalyptic number.

It is an amenable number.

244428673 is a deficient number, since it is larger than the sum of its proper divisors (12864687).

244428673 is a wasteful number, since it uses less digits than its factorization.

244428673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12864686.

The product of its digits is 258048, while the sum is 40.

The square root of 244428673 is about 15634.2148187877. The cubic root of 244428673 is about 625.2457043543.

The spelling of 244428673 in words is "two hundred forty-four million, four hundred twenty-eight thousand, six hundred seventy-three".

Divisors: 1 19 12864667 244428673