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13448093 = 109123377
BaseRepresentation
bin110011010011…
…001110011101
3221022020022112
4303103032131
511420314333
61200123405
7222210161
oct63231635
927266275
1013448093
11765582a
124606565
132a2b169
141b00ca1
1512a9948
hexcd339d

13448093 has 4 divisors (see below), whose sum is σ = 13571580. Its totient is φ = 13324608.

The previous prime is 13448059. The next prime is 13448101. The reversal of 13448093 is 39084431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39084431 = 291347739.

It can be written as a sum of positive squares in 2 ways, for example, as 10413529 + 3034564 = 3227^2 + 1742^2 .

It is a cyclic number.

It is not a de Polignac number, because 13448093 - 210 = 13447069 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 (13448023) 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, 61580 + ... + 61797.

It is an arithmetic number, because the mean of its divisors is an integer number (3392895).

Almost surely, 213448093 is an apocalyptic number.

It is an amenable number.

13448093 is a deficient number, since it is larger than the sum of its proper divisors (123487).

13448093 is a wasteful number, since it uses less digits than its factorization.

13448093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123486.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 13448093 is about 3667.1641632193. The cubic root of 13448093 is about 237.8045909162.

The spelling of 13448093 in words is "thirteen million, four hundred forty-eight thousand, ninety-three".

Divisors: 1 109 123377 13448093