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12403082 = 26539497
BaseRepresentation
bin101111010100…
…000110001010
3212100010211102
4233110012022
511133344312
61121501402
7210265406
oct57240612
925303742
1012403082
11700168a
1241a1862
132753603
14190c106
15114eec2
hexbd418a

12403082 has 8 divisors (see below), whose sum is σ = 18635076. Its totient is φ = 6191392.

The previous prime is 12403063. The next prime is 12403087. The reversal of 12403082 is 28030421.

It can be written as a sum of positive squares in 2 ways, for example, as 10297681 + 2105401 = 3209^2 + 1451^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12403087) 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, 3443 + ... + 6054.

Almost surely, 212403082 is an apocalyptic number.

12403082 is a deficient number, since it is larger than the sum of its proper divisors (6231994).

12403082 is an equidigital number, since it uses as much as digits as its factorization.

12403082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10152.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 12403082 is about 3521.8009597364. The cubic root of 12403082 is about 231.4780801099.

The spelling of 12403082 in words is "twelve million, four hundred three thousand, eighty-two".

Divisors: 1 2 653 1306 9497 18994 6201541 12403082