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14222745 = 3251132797
BaseRepresentation
bin110110010000…
…010110011001
3222202120221100
4312100112121
512120111440
61224502013
7231614505
oct66202631
928676840
1014222745
118034839
12491a909
132c3c934
141c63305
1513ae230
hexd90599

14222745 has 24 divisors (see below), whose sum is σ = 24879816. Its totient is φ = 7515648.

The previous prime is 14222743. The next prime is 14222753. The reversal of 14222745 is 54722241.

It can be written as a sum of positive squares in 4 ways, for example, as 205209 + 14017536 = 453^2 + 3744^2 .

It is not a de Polignac number, because 14222745 - 21 = 14222743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14222743) 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 23 ways as a sum of consecutive naturals, for example, 3687 + ... + 6483.

It is an arithmetic number, because the mean of its divisors is an integer number (1036659).

Almost surely, 214222745 is an apocalyptic number.

14222745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14222745 is a deficient number, since it is larger than the sum of its proper divisors (10657071).

14222745 is a wasteful number, since it uses less digits than its factorization.

14222745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921 (or 2918 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 14222745 is about 3771.3054768873. The cubic root of 14222745 is about 242.2857142692.

Adding to 14222745 its reverse (54722241), we get a palindrome (68944986).

The spelling of 14222745 in words is "fourteen million, two hundred twenty-two thousand, seven hundred forty-five".

Divisors: 1 3 5 9 15 45 113 339 565 1017 1695 2797 5085 8391 13985 25173 41955 125865 316061 948183 1580305 2844549 4740915 14222745