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10000842 = 231666807
BaseRepresentation
bin100110001001…
…100111001010
3200211002120120
4212021213022
510030011332
6554204110
7151001655
oct46114712
920732516
1010000842
115710865
123423636
1320c2077
14148489c
15d2832c
hex9899ca

10000842 has 8 divisors (see below), whose sum is σ = 20001696. Its totient is φ = 3333612.

The previous prime is 10000831. The next prime is 10000849. The reversal of 10000842 is 24800001.

Adding to 10000842 its reverse (24800001), we get a palindrome (34800843).

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

10000842 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (10000849) by changing a digit.

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, 833398 + ... + 833409.

It is an arithmetic number, because the mean of its divisors is an integer number (2500212).

Almost surely, 210000842 is an apocalyptic number.

10000842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10000842 is a wasteful number, since it uses less digits than its factorization.

10000842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666812.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 10000842 is about 3162.4107892556. The cubic root of 10000842 is about 215.4495156135.

The spelling of 10000842 in words is "ten million, eight hundred forty-two", and thus it is an aban number.

Divisors: 1 2 3 6 1666807 3333614 5000421 10000842