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26668850 = 2521389461
BaseRepresentation
bin110010110111…
…0111100110010
31212011220210012
41211232330302
523311400400
62351334522
7442452515
oct145567462
955156705
1026668850
111406577a
128b21442
1356a99b0
143782d7c
15251bd35
hex196ef32

26668850 has 48 divisors (see below), whose sum is σ = 54137160. Its totient is φ = 9715200.

The previous prime is 26668847. The next prime is 26668853. The reversal of 26668850 is 5886662.

It is an interprime number because it is at equal distance from previous prime (26668847) and next prime (26668853).

It can be written as a sum of positive squares in 12 ways, for example, as 1075369 + 25593481 = 1037^2 + 5059^2 .

It is a super-2 number, since 2×266688502 = 1422455120645000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26668798 and 26668807.

It is not an unprimeable number, because it can be changed into a prime (26668853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57620 + ... + 58080.

Almost surely, 226668850 is an apocalyptic number.

26668850 is an abundant number, since it is smaller than the sum of its proper divisors (27468310).

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

26668850 is a wasteful number, since it uses less digits than its factorization.

26668850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 26668850 is about 5164.1891909573. The cubic root of 26668850 is about 298.7684698816.

The spelling of 26668850 in words is "twenty-six million, six hundred sixty-eight thousand, eight hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 89 130 178 325 445 461 650 890 922 1157 2225 2305 2314 4450 4610 5785 5993 11525 11570 11986 23050 28925 29965 41029 57850 59930 82058 149825 205145 299650 410290 533377 1025725 1066754 2051450 2666885 5333770 13334425 26668850