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14421445 = 52884289
BaseRepresentation
bin110111000000…
…110111000101
31000010200111121
4313000313011
512142441240
61233033541
7233403013
oct67006705
930120447
1014421445
118160055
1249b58b1
132cac1cc
141cb58b3
1513ed04a
hexdc0dc5

14421445 has 4 divisors (see below), whose sum is σ = 17305740. Its totient is φ = 11537152.

The previous prime is 14421443. The next prime is 14421461. The reversal of 14421445 is 54412441.

14421445 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 4524129 + 9897316 = 2127^2 + 3146^2 .

It is a cyclic number.

It is not a de Polignac number, because 14421445 - 21 = 14421443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14421443) 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, 1442140 + ... + 1442149.

It is an arithmetic number, because the mean of its divisors is an integer number (4326435).

Almost surely, 214421445 is an apocalyptic number.

It is an amenable number.

14421445 is a deficient number, since it is larger than the sum of its proper divisors (2884295).

14421445 is an equidigital number, since it uses as much as digits as its factorization.

14421445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2884294.

The product of its digits is 2560, while the sum is 25.

The square root of 14421445 is about 3797.5577678292. The cubic root of 14421445 is about 243.4087910515.

Adding to 14421445 its reverse (54412441), we get a palindrome (68833886).

The spelling of 14421445 in words is "fourteen million, four hundred twenty-one thousand, four hundred forty-five".

Divisors: 1 5 2884289 14421445