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13068403 = 13819463
BaseRepresentation
bin110001110110…
…100001110011
3220120221110221
4301312201303
511321142103
61144033511
7216036205
oct61664163
926527427
1013068403
117416537
124462897
1329273aa
141a42775
1512321bd
hexc76873

13068403 has 4 divisors (see below), whose sum is σ = 13079248. Its totient is φ = 13057560.

The previous prime is 13068401. The next prime is 13068421. The reversal of 13068403 is 30486031.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13068403 - 21 = 13068401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13068401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3351 + ... + 6112.

It is an arithmetic number, because the mean of its divisors is an integer number (3269812).

Almost surely, 213068403 is an apocalyptic number.

13068403 is a deficient number, since it is larger than the sum of its proper divisors (10845).

13068403 is an equidigital number, since it uses as much as digits as its factorization.

13068403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10844.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 13068403 is about 3615.0246195566. The cubic root of 13068403 is about 235.5451535677.

The spelling of 13068403 in words is "thirteen million, sixty-eight thousand, four hundred three".

Divisors: 1 1381 9463 13068403