Search a number
-
+
6742120 = 2357112199
BaseRepresentation
bin11001101110000001101000
3110200112110011
4121232001220
53211221440
6400301304
7111210220
oct31560150
913615404
106742120
113895500
122311834
131520a28
14c77080
158d29ea
hex66e068

6742120 has 96 divisors (see below), whose sum is σ = 19152000. Its totient is φ = 2090880.

The previous prime is 6742117. The next prime is 6742171. The reversal of 6742120 is 212476.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 6742091 and 6742100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33781 + ... + 33979.

It is an arithmetic number, because the mean of its divisors is an integer number (199500).

Almost surely, 26742120 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 6742120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9576000).

6742120 is an abundant number, since it is smaller than the sum of its proper divisors (12409880).

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

6742120 is a wasteful number, since it uses less digits than its factorization.

6742120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 6742120 is about 2596.5592617924. The cubic root of 6742120 is about 188.9145867895.

Adding to 6742120 its reverse (212476), we get a palindrome (6954596).

The spelling of 6742120 in words is "six million, seven hundred forty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 11 14 20 22 28 35 40 44 55 56 70 77 88 110 121 140 154 199 220 242 280 308 385 398 440 484 605 616 770 796 847 968 995 1210 1393 1540 1592 1694 1990 2189 2420 2786 3080 3388 3980 4235 4378 4840 5572 6776 6965 7960 8470 8756 10945 11144 13930 15323 16940 17512 21890 24079 27860 30646 33880 43780 48158 55720 61292 76615 87560 96316 120395 122584 153230 168553 192632 240790 306460 337106 481580 612920 674212 842765 963160 1348424 1685530 3371060 6742120