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10668320 = 2551323223
BaseRepresentation
bin101000101100…
…100100100000
3202002000011222
4220230210200
510212341240
61020354212
7156451655
oct50544440
922060158
1010668320
1160272a3
1236a5968
132296b20
1415b9c2c
15e0aeb5
hexa2c920

10668320 has 96 divisors (see below), whose sum is σ = 28449792. Its totient is φ = 3750912.

The previous prime is 10668313. The next prime is 10668331. The reversal of 10668320 is 2386601.

It is a super-2 number, since 2×106683202 = 227626103244800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 10668320.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47729 + ... + 47951.

It is an arithmetic number, because the mean of its divisors is an integer number (296352).

Almost surely, 210668320 is an apocalyptic number.

10668320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10668320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14224896).

10668320 is an abundant number, since it is smaller than the sum of its proper divisors (17781472).

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

10668320 is a wasteful number, since it uses less digits than its factorization.

10668320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 10668320 is about 3266.2394278436. The cubic root of 10668320 is about 220.1398559770.

The spelling of 10668320 in words is "ten million, six hundred sixty-eight thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 23 26 32 40 46 52 65 80 92 104 115 130 160 184 208 223 230 260 299 368 416 446 460 520 598 736 892 920 1040 1115 1196 1495 1784 1840 2080 2230 2392 2899 2990 3568 3680 4460 4784 5129 5798 5980 7136 8920 9568 10258 11596 11960 14495 17840 20516 23192 23920 25645 28990 35680 41032 46384 47840 51290 57980 66677 82064 92768 102580 115960 133354 164128 205160 231920 266708 333385 410320 463840 533416 666770 820640 1066832 1333540 2133664 2667080 5334160 10668320