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568748940 = 2235173117987
BaseRepresentation
bin100001111001100…
…110101110001100
31110122012102212120
4201321212232030
52131044431230
6132234132540
720044200114
oct4171465614
91418172776
10568748940
11272053551
1213a581150
1390aa6346
1455770044
1534de8310
hex21e66b8c

568748940 has 96 divisors (see below), whose sum is σ = 1740662784. Its totient is φ = 138132480.

The previous prime is 568748881. The next prime is 568748953. The reversal of 568748940 is 49847865.

568748940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×5687489402 = 646950713502247200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a zygodrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22627 + ... + 40613.

It is an arithmetic number, because the mean of its divisors is an integer number (18131904).

Almost surely, 2568748940 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 568748940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (870331392).

568748940 is an abundant number, since it is smaller than the sum of its proper divisors (1171913844).

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

568748940 is a wasteful number, since it uses less digits than its factorization.

568748940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18047 (or 18045 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 568748940 is about 23848.4578117747. The cubic root of 568748940 is about 828.5273834523.

The spelling of 568748940 in words is "five hundred sixty-eight million, seven hundred forty-eight thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 31 34 51 60 62 68 85 93 102 124 155 170 186 204 255 310 340 372 465 510 527 620 930 1020 1054 1581 1860 2108 2635 3162 5270 6324 7905 10540 15810 17987 31620 35974 53961 71948 89935 107922 179870 215844 269805 305779 359740 539610 557597 611558 917337 1079220 1115194 1223116 1528895 1672791 1834674 2230388 2787985 3057790 3345582 3669348 4586685 5575970 6115580 6691164 8363955 9173370 9479149 11151940 16727910 18346740 18958298 28437447 33455820 37916596 47395745 56874894 94791490 113749788 142187235 189582980 284374470 568748940