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14987041 = 76919489
BaseRepresentation
bin111001001010…
…111100100001
31001012102100121
4321022330201
512314041131
61253120241
7241246666
oct71127441
931172317
1014987041
118506a93
125029081
133149794
141dc1a6d
1514b0911
hexe4af21

14987041 has 4 divisors (see below), whose sum is σ = 15007300. Its totient is φ = 14966784.

The previous prime is 14987039. The next prime is 14987051. The reversal of 14987041 is 14078941.

14987041 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2313441 + 12673600 = 1521^2 + 3560^2 .

It is a cyclic number.

It is not a de Polignac number, because 14987041 - 21 = 14987039 is a prime.

It is a super-2 number, since 2×149870412 = 449222795871362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14986988 and 14987006.

It is not an unprimeable number, because it can be changed into a prime (14987051) 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, 8976 + ... + 10513.

It is an arithmetic number, because the mean of its divisors is an integer number (3751825).

Almost surely, 214987041 is an apocalyptic number.

It is an amenable number.

14987041 is a deficient number, since it is larger than the sum of its proper divisors (20259).

14987041 is an equidigital number, since it uses as much as digits as its factorization.

14987041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20258.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 14987041 is about 3871.3099850051. The cubic root of 14987041 is about 246.5501655434.

The spelling of 14987041 in words is "fourteen million, nine hundred eighty-seven thousand, forty-one".

Divisors: 1 769 19489 14987041