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14849081 = 131142237
BaseRepresentation
bin111000101001…
…010000111001
31000221102002222
4320221100321
512300132311
61250133425
7240133532
oct70512071
930842088
1014849081
118422375
124b81275
1330cba50
141d87689
151484adb
hexe29439

14849081 has 4 divisors (see below), whose sum is σ = 15991332. Its totient is φ = 13706832.

The previous prime is 14849071. The next prime is 14849083. The reversal of 14849081 is 18094841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18094841 = 25172091.

It can be written as a sum of positive squares in 2 ways, for example, as 7645225 + 7203856 = 2765^2 + 2684^2 .

It is a cyclic number.

It is not a de Polignac number, because 14849081 - 26 = 14849017 is a prime.

It is a super-2 number, since 2×148490812 = 440990413089122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14849083) 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, 571106 + ... + 571131.

It is an arithmetic number, because the mean of its divisors is an integer number (3997833).

Almost surely, 214849081 is an apocalyptic number.

It is an amenable number.

14849081 is a deficient number, since it is larger than the sum of its proper divisors (1142251).

14849081 is a wasteful number, since it uses less digits than its factorization.

14849081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142250.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 14849081 is about 3853.4505316664. The cubic root of 14849081 is about 245.7913106632.

The spelling of 14849081 in words is "fourteen million, eight hundred forty-nine thousand, eighty-one".

Divisors: 1 13 1142237 14849081