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11026681 = 197223251
BaseRepresentation
bin101010000100…
…000011111001
3202202012202121
4222010003321
510310323211
61032201241
7162503521
oct52040371
922665677
1011026681
116251566
123839221
132390c83
141670681
15e7c271
hexa840f9

11026681 has 8 divisors (see below), whose sum is σ = 11176704. Its totient is φ = 10878000.

The previous prime is 11026679. The next prime is 11026709. The reversal of 11026681 is 18662011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11026681 - 21 = 11026679 is a prime.

It is a super-2 number, since 2×110266812 = 243175387751522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11026601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43806 + ... + 44056.

It is an arithmetic number, because the mean of its divisors is an integer number (1397088).

Almost surely, 211026681 is an apocalyptic number.

It is an amenable number.

11026681 is a deficient number, since it is larger than the sum of its proper divisors (150023).

11026681 is a wasteful number, since it uses less digits than its factorization.

11026681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 11026681 is about 3320.6446663261. The cubic root of 11026681 is about 222.5776760317.

Adding to 11026681 its reverse (18662011), we get a palindrome (29688692).

The spelling of 11026681 in words is "eleven million, twenty-six thousand, six hundred eighty-one".

Divisors: 1 197 223 251 43931 49447 55973 11026681