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13814093 = 115311981
BaseRepresentation
bin110100101100…
…100101001101
3221222211101002
4310230211031
512014022333
61212030045
7225263216
oct64544515
927884332
1013814093
117885807
124762325
132b28927
141b9840d
15132d0e8
hexd2c94d

13814093 has 4 divisors (see below), whose sum is σ = 13827228. Its totient is φ = 13800960.

The previous prime is 13814077. The next prime is 13814107. The reversal of 13814093 is 39041831.

13814093 is digitally balanced in base 2, 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, and also an emirpimes, since its reverse is a distinct semiprime: 39041831 = 283137957.

It can be written as a sum of positive squares in 2 ways, for example, as 12369289 + 1444804 = 3517^2 + 1202^2 .

It is a cyclic number.

It is not a de Polignac number, because 13814093 - 24 = 13814077 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 (13814033) 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, 4838 + ... + 7143.

It is an arithmetic number, because the mean of its divisors is an integer number (3456807).

Almost surely, 213814093 is an apocalyptic number.

It is an amenable number.

13814093 is a deficient number, since it is larger than the sum of its proper divisors (13135).

13814093 is a wasteful number, since it uses less digits than its factorization.

13814093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13134.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 13814093 is about 3716.7314942029. The cubic root of 13814093 is about 239.9426541229.

The spelling of 13814093 in words is "thirteen million, eight hundred fourteen thousand, ninety-three".

Divisors: 1 1153 11981 13814093