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10000026 = 232555557
BaseRepresentation
bin100110001001…
…011010011010
3200211001110100
4212021122122
510030000101
6554200230
7150666411
oct46113232
920731410
1010000026
115710193
123423076
1320c189a
141484478
15d27e86
hex98969a

10000026 has 12 divisors (see below), whose sum is σ = 21666762. Its totient is φ = 3333336.

The previous prime is 10000019. The next prime is 10000079. The reversal of 10000026 is 62000001.

Adding to 10000026 its reverse (62000001), we get a palindrome (72000027).

It can be written as a sum of positive squares in only one way, i.e., 8037225 + 1962801 = 2835^2 + 1401^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an Ulam number.

10000026 is a modest number, since divided by 26 gives 10 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 9999972 and 10000017.

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 5 ways as a sum of consecutive naturals, for example, 277761 + ... + 277796.

Almost surely, 210000026 is an apocalyptic number.

10000026 is an abundant number, since it is smaller than the sum of its proper divisors (11666736).

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

10000026 is a wasteful number, since it uses less digits than its factorization.

10000026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555565 (or 555562 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 10000026 is about 3162.2817711267. The cubic root of 10000026 is about 215.4436557207.

The spelling of 10000026 in words is "ten million, twenty-six", and thus it is an aban number and an uban number.

Divisors: 1 2 3 6 9 18 555557 1111114 1666671 3333342 5000013 10000026