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14478377 = 17898093
BaseRepresentation
bin110111001110…
…110000101001
31000020120121012
4313032300221
512201302002
61234153305
7234031004
oct67166051
930216535
1014478377
118199901
124a22835
132ccc0b4
141ccc53b
15140ed52
hexdcec29

14478377 has 4 divisors (see below), whose sum is σ = 14488260. Its totient is φ = 14468496.

The previous prime is 14478367. The next prime is 14478389. The reversal of 14478377 is 77387441.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 77387441 = 352921929.

It can be written as a sum of positive squares in 2 ways, for example, as 10621081 + 3857296 = 3259^2 + 1964^2 .

It is a cyclic number.

It is not a de Polignac number, because 14478377 - 26 = 14478313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14478367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2258 + ... + 5835.

It is an arithmetic number, because the mean of its divisors is an integer number (3622065).

Almost surely, 214478377 is an apocalyptic number.

It is an amenable number.

14478377 is a deficient number, since it is larger than the sum of its proper divisors (9883).

14478377 is an equidigital number, since it uses as much as digits as its factorization.

14478377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9882.

The product of its digits is 131712, while the sum is 41.

The square root of 14478377 is about 3805.0462546466. The cubic root of 14478377 is about 243.7286747068.

The spelling of 14478377 in words is "fourteen million, four hundred seventy-eight thousand, three hundred seventy-seven".

Divisors: 1 1789 8093 14478377