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14806481 = 27753453
BaseRepresentation
bin111000011110…
…110111010001
31000212020200012
4320132313101
512242301411
61245204305
7236565404
oct70366721
930766605
1014806481
1183a3368
124b60695
1330b5541
141d75d3b
15147718b
hexe1edd1

14806481 has 4 divisors (see below), whose sum is σ = 14860212. Its totient is φ = 14752752.

The previous prime is 14806471. The next prime is 14806489. The reversal of 14806481 is 18460841.

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 5564881 + 9241600 = 2359^2 + 3040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14806481 is a prime.

It is a super-2 number, since 2×148064812 = 438463759206722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14806489) 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, 26450 + ... + 27003.

It is an arithmetic number, because the mean of its divisors is an integer number (3715053).

Almost surely, 214806481 is an apocalyptic number.

It is an amenable number.

14806481 is a deficient number, since it is larger than the sum of its proper divisors (53731).

14806481 is an equidigital number, since it uses as much as digits as its factorization.

14806481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53730.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 14806481 is about 3847.9190480050. The cubic root of 14806481 is about 245.5560382168.

The spelling of 14806481 in words is "fourteen million, eight hundred six thousand, four hundred eighty-one".

Divisors: 1 277 53453 14806481