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290367168 = 26371316619
BaseRepresentation
bin10001010011101…
…010011011000000
3202020101011212120
4101103222123000
51043313222133
644451324240
710124036340
oct2123523300
9666334776
10290367168
111399a5173
12812b0680
13482073c0
142a7c6d20
151a759ab3
hex114ea6c0

290367168 has 112 divisors (see below), whose sum is σ = 945611520. Its totient is φ = 76575744.

The previous prime is 290367167. The next prime is 290367199. The reversal of 290367168 is 861763092.

It is a happy number.

290367168 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (290367167) 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, 9163 + ... + 25781.

It is an arithmetic number, because the mean of its divisors is an integer number (8442960).

Almost surely, 2290367168 is an apocalyptic number.

290367168 is a gapful number since it is divisible by the number (28) 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 290367168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472805760).

290367168 is an abundant number, since it is smaller than the sum of its proper divisors (655244352).

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

290367168 is a wasteful number, since it uses less digits than its factorization.

290367168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16654 (or 16644 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 290367168 is about 17040.1633794984. The cubic root of 290367168 is about 662.1898245657.

The spelling of 290367168 in words is "two hundred ninety million, three hundred sixty-seven thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 52 56 64 78 84 91 96 104 112 156 168 182 192 208 224 273 312 336 364 416 448 546 624 672 728 832 1092 1248 1344 1456 2184 2496 2912 4368 5824 8736 16619 17472 33238 49857 66476 99714 116333 132952 199428 216047 232666 265904 348999 398856 432094 465332 531808 648141 697998 797712 864188 930664 1063616 1296282 1395996 1512329 1595424 1728376 1861328 2592564 2791992 3024658 3190848 3456752 3722656 4536987 5185128 5583984 6049316 6913504 7445312 9073974 10370256 11167968 12098632 13827008 18147948 20740512 22335936 24197264 36295896 41481024 48394528 72591792 96789056 145183584 290367168