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774056668 = 2271173173199
BaseRepresentation
bin101110001000110…
…010101011011100
31222221112011010111
4232020302223130
53041124303133
6204450415404
725116241660
oct5610625334
91887464114
10774056668
11367a31260
12197291564
13c449b4c8
1474b348a0
1547e501cd
hex2e232adc

774056668 has 96 divisors (see below), whose sum is σ = 1730534400. Its totient is φ = 294243840.

The previous prime is 774056663. The next prime is 774056669. The reversal of 774056668 is 866650477.

774056668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774056663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3889633 + ... + 3889831.

It is an arithmetic number, because the mean of its divisors is an integer number (18026400).

Almost surely, 2774056668 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 774056668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (865267200).

774056668 is an abundant number, since it is smaller than the sum of its proper divisors (956477732).

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

774056668 is a wasteful number, since it uses less digits than its factorization.

774056668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 49.

The square root of 774056668 is about 27821.8739124452. The cubic root of 774056668 is about 918.1724384672.

The spelling of 774056668 in words is "seven hundred seventy-four million, fifty-six thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 11 14 22 28 44 73 77 146 154 173 199 292 308 346 398 511 692 796 803 1022 1211 1393 1606 1903 2044 2189 2422 2786 3212 3806 4378 4844 5572 5621 7612 8756 11242 12629 13321 14527 15323 22484 25258 26642 29054 30646 34427 50516 53284 58108 61292 68854 88403 101689 137708 138919 159797 176806 203378 240989 277838 319594 353612 378697 406756 481978 555676 639188 757394 963956 972433 1118579 1514788 1944866 2237158 2513171 2650879 3889732 4474316 5026342 5301758 10052684 10603516 17592197 27644881 35184394 55289762 70368788 110579524 193514167 387028334 774056668