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13382293 = 71188483
BaseRepresentation
bin110011000011…
…001010010101
3221011220001111
4303003022111
511411213133
61154455021
7221514301
oct63031225
927156044
1013382293
117610351
124594471
132a07222
141ac4d01
1512951cd
hexcc3295

13382293 has 4 divisors (see below), whose sum is σ = 13570848. Its totient is φ = 13193740.

The previous prime is 13382279. The next prime is 13382309. The reversal of 13382293 is 39228331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39228331 = 192064649.

It is a cyclic number.

It is not a de Polignac number, because 13382293 - 25 = 13382261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13382233) 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, 94171 + ... + 94312.

It is an arithmetic number, because the mean of its divisors is an integer number (3392712).

Almost surely, 213382293 is an apocalyptic number.

It is an amenable number.

13382293 is a deficient number, since it is larger than the sum of its proper divisors (188555).

13382293 is an equidigital number, since it uses as much as digits as its factorization.

13382293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188554.

The product of its digits is 7776, while the sum is 31.

The square root of 13382293 is about 3658.1816521327. The cubic root of 13382293 is about 237.4161062879.

The spelling of 13382293 in words is "thirteen million, three hundred eighty-two thousand, two hundred ninety-three".

Divisors: 1 71 188483 13382293