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13258293 = 341107791
BaseRepresentation
bin110010100100…
…111000110101
3220221120221220
4302210320311
511343231133
61152100553
7220456626
oct62447065
926846856
1013258293
117536174
124534759
132992959
141a91a4d
15126d5b3
hexca4e35

13258293 has 8 divisors (see below), whose sum is σ = 18109056. Its totient is φ = 8623200.

The previous prime is 13258291. The next prime is 13258309. The reversal of 13258293 is 39285231.

13258293 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13258293 - 21 = 13258291 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13258291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53773 + ... + 54018.

It is an arithmetic number, because the mean of its divisors is an integer number (2263632).

Almost surely, 213258293 is an apocalyptic number.

It is an amenable number.

13258293 is a deficient number, since it is larger than the sum of its proper divisors (4850763).

13258293 is a wasteful number, since it uses less digits than its factorization.

13258293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107835.

The product of its digits is 12960, while the sum is 33.

The square root of 13258293 is about 3641.1938976111. The cubic root of 13258293 is about 236.6805323711.

The spelling of 13258293 in words is "thirteen million, two hundred fifty-eight thousand, two hundred ninety-three".

Divisors: 1 3 41 123 107791 323373 4419431 13258293