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10668842 = 219280759
BaseRepresentation
bin101000101100…
…101100101010
3202002000220022
4220230230222
510212400332
61020400442
7156453332
oct50545452
922060808
1010668842
116027728
1236a6122
132297132
1415ba0c2
15e0b212
hexa2cb2a

10668842 has 8 divisors (see below), whose sum is σ = 16845600. Its totient is φ = 5053644.

The previous prime is 10668821. The next prime is 10668851. The reversal of 10668842 is 24886601.

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

It is a super-2 number, since 2×106688422 = 227648379241928, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140342 + ... + 140417.

It is an arithmetic number, because the mean of its divisors is an integer number (2105700).

Almost surely, 210668842 is an apocalyptic number.

10668842 is a deficient number, since it is larger than the sum of its proper divisors (6176758).

10668842 is a wasteful number, since it uses less digits than its factorization.

10668842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280780.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 10668842 is about 3266.3193352763. The cubic root of 10668842 is about 220.1434463934.

The spelling of 10668842 in words is "ten million, six hundred sixty-eight thousand, eight hundred forty-two".

Divisors: 1 2 19 38 280759 561518 5334421 10668842