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13423833 = 33541919
BaseRepresentation
bin110011001101…
…010011011001
3221021000001000
4303031103121
511414030313
61155415213
7222046353
oct63152331
927230030
1013423833
117639585
1245b4509
132a200c7
141ad60d3
1512a2673
hexccd4d9

13423833 has 16 divisors (see below), whose sum is σ = 19945600. Its totient is φ = 8922960.

The previous prime is 13423831. The next prime is 13423847. The reversal of 13423833 is 33832431.

It is not a de Polignac number, because 13423833 - 21 = 13423831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13423797 and 13423806.

It is not an unprimeable number, because it can be changed into a prime (13423831) 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 15 ways as a sum of consecutive naturals, for example, 14148 + ... + 15066.

It is an arithmetic number, because the mean of its divisors is an integer number (1246600).

Almost surely, 213423833 is an apocalyptic number.

It is an amenable number.

13423833 is a deficient number, since it is larger than the sum of its proper divisors (6521767).

13423833 is an equidigital number, since it uses as much as digits as its factorization.

13423833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469 (or 1463 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 13423833 is about 3663.8549370847. The cubic root of 13423833 is about 237.6615071352.

The spelling of 13423833 in words is "thirteen million, four hundred twenty-three thousand, eight hundred thirty-three".

Divisors: 1 3 9 27 541 919 1623 2757 4869 8271 14607 24813 497179 1491537 4474611 13423833