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14225749 = 611012309
BaseRepresentation
bin110110010001…
…000101010101
3222202202001121
4312101011111
512120210444
61224523541
7231626326
oct66210525
928682047
1014225749
11803701a
1249205b1
132c41105
141c6444d
1513b0084
hexd91155

14225749 has 8 divisors (see below), whose sum is σ = 14608440. Its totient is φ = 13848000.

The previous prime is 14225741. The next prime is 14225789. The reversal of 14225749 is 94752241.

It can be written as a sum of positive squares in 4 ways, for example, as 4100625 + 10125124 = 2025^2 + 3182^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14225749 - 23 = 14225741 is a prime.

It is a super-2 number, since 2×142257492 = 404743869222002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14225741) 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 7 ways as a sum of consecutive naturals, for example, 5007 + ... + 7315.

It is an arithmetic number, because the mean of its divisors is an integer number (1826055).

Almost surely, 214225749 is an apocalyptic number.

It is an amenable number.

14225749 is a deficient number, since it is larger than the sum of its proper divisors (382691).

14225749 is a wasteful number, since it uses less digits than its factorization.

14225749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471.

The product of its digits is 20160, while the sum is 34.

The square root of 14225749 is about 3771.7037264345. The cubic root of 14225749 is about 242.3027708699.

The spelling of 14225749 in words is "fourteen million, two hundred twenty-five thousand, seven hundred forty-nine".

Divisors: 1 61 101 2309 6161 140849 233209 14225749