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13293041 = 70918749
BaseRepresentation
bin110010101101…
…010111110001
3221000100121212
4302231113301
511400334131
61152525505
7220663136
oct62552761
927010555
1013293041
11755a293
124550895
1329a5708
141aa058d
151278a2b
hexcad5f1

13293041 has 4 divisors (see below), whose sum is σ = 13312500. Its totient is φ = 13273584.

The previous prime is 13293037. The next prime is 13293043. The reversal of 13293041 is 14039231.

13293041 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4906225 + 8386816 = 2215^2 + 2896^2 .

It is a cyclic number.

It is not a de Polignac number, because 13293041 - 22 = 13293037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13292998 and 13293016.

It is not an unprimeable number, because it can be changed into a prime (13293043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8666 + ... + 10083.

It is an arithmetic number, because the mean of its divisors is an integer number (3328125).

Almost surely, 213293041 is an apocalyptic number.

It is an amenable number.

13293041 is a deficient number, since it is larger than the sum of its proper divisors (19459).

13293041 is an equidigital number, since it uses as much as digits as its factorization.

13293041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19458.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 13293041 is about 3645.9622872432. The cubic root of 13293041 is about 236.8871200719.

The spelling of 13293041 in words is "thirteen million, two hundred ninety-three thousand, forty-one".

Divisors: 1 709 18749 13293041