Search a number
-
+
774434444 = 227291675711
BaseRepresentation
bin101110001010001…
…110111010001100
31222222020100100012
4232022032322030
53041223400234
6204502452352
725122404240
oct5612167214
91888210305
10774434444
1136816a073
121974340b8
13c45a1444
1474bd2420
1547ec70ce
hex2e28ee8c

774434444 has 48 divisors (see below), whose sum is σ = 1612154880. Its totient is φ = 318480960.

The previous prime is 774434431. The next prime is 774434447. The reversal of 774434444 is 444434477.

It is a happy number.

774434444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (774434447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132749 + ... + 138459.

It is an arithmetic number, because the mean of its divisors is an integer number (33586560).

Almost surely, 2774434444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 774434444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (806077440).

774434444 is an abundant number, since it is smaller than the sum of its proper divisors (837720436).

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

774434444 is a wasteful number, since it uses less digits than its factorization.

774434444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5918 (or 5916 counting only the distinct ones).

The product of its digits is 602112, while the sum is 41.

The square root of 774434444 is about 27828.6622747124. The cubic root of 774434444 is about 918.3217845949.

The spelling of 774434444 in words is "seven hundred seventy-four million, four hundred thirty-four thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 29 58 116 167 203 334 406 668 812 1169 2338 4676 4843 5711 9686 11422 19372 22844 33901 39977 67802 79954 135604 159908 165619 331238 662476 953737 1159333 1907474 2318666 3814948 4637332 6676159 13352318 26704636 27658373 55316746 110633492 193608611 387217222 774434444