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10168840 = 235113191
BaseRepresentation
bin100110110010…
…101000001000
3201010122000201
4212302220020
510100400330
61001541544
7152301523
oct46625010
921118021
1010168840
115816000
1234a48b4
132150686
1414c9bba
15d5ceca
hex9b2a08

10168840 has 64 divisors (see below), whose sum is σ = 25297920. Its totient is φ = 3678400.

The previous prime is 10168831. The next prime is 10168841. The reversal of 10168840 is 4886101.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 10168799 and 10168808.

It is not an unprimeable number, because it can be changed into a prime (10168841) 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, 53145 + ... + 53335.

It is an arithmetic number, because the mean of its divisors is an integer number (395280).

Almost surely, 210168840 is an apocalyptic number.

10168840 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 10168840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12648960).

10168840 is an abundant number, since it is smaller than the sum of its proper divisors (15129080).

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

10168840 is a wasteful number, since it uses less digits than its factorization.

10168840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 10168840 is about 3188.8618659327. The cubic root of 10168840 is about 216.6492241054.

The spelling of 10168840 in words is "ten million, one hundred sixty-eight thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 121 191 220 242 382 440 484 605 764 955 968 1210 1331 1528 1910 2101 2420 2662 3820 4202 4840 5324 6655 7640 8404 10505 10648 13310 16808 21010 23111 26620 42020 46222 53240 84040 92444 115555 184888 231110 254221 462220 508442 924440 1016884 1271105 2033768 2542210 5084420 10168840