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10000028 = 225942373
BaseRepresentation
bin100110001001…
…011010011100
3200211001110102
4212021122130
510030000103
6554200232
7150666413
oct46113234
920731412
1010000028
115710195
123423078
1320c189c
14148447a
15d27e88
hex98969c

10000028 has 12 divisors (see below), whose sum is σ = 17797080. Its totient is φ = 4915152.

The previous prime is 10000019. The next prime is 10000079. The reversal of 10000028 is 82000001.

It is a junction number, because it is equal to n+sod(n) for n = 9999973 and 10000018.

It is a congruent number.

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, 20951 + ... + 21422.

It is an arithmetic number, because the mean of its divisors is an integer number (1483090).

Almost surely, 210000028 is an apocalyptic number.

It is an amenable number.

10000028 is a deficient number, since it is larger than the sum of its proper divisors (7797052).

10000028 is a wasteful number, since it uses less digits than its factorization.

10000028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42436 (or 42434 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 10000028 is about 3162.2820873540. The cubic root of 10000028 is about 215.4436700836.

Adding to 10000028 its reverse (82000001), we get a palindrome (92000029).

The spelling of 10000028 in words is "ten million, twenty-eight", and thus it is an aban number and an uban number.

Divisors: 1 2 4 59 118 236 42373 84746 169492 2500007 5000014 10000028