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14220746 = 215745289
BaseRepresentation
bin110110001111…
…110111001010
3222202111012022
4312033313022
512120030441
61224444442
7231605621
oct66176712
928674168
1014220746
118033291
124919722
132c3ba57
141c626b8
1513ad84b
hexd8fdca

14220746 has 8 divisors (see below), whose sum is σ = 21467460. Its totient is φ = 7064928.

The previous prime is 14220719. The next prime is 14220749. The reversal of 14220746 is 64702241.

It can be written as a sum of positive squares in 2 ways, for example, as 14145121 + 75625 = 3761^2 + 275^2 .

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

It is not an unprimeable number, because it can be changed into a prime (14220749) 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, 22331 + ... + 22958.

Almost surely, 214220746 is an apocalyptic number.

14220746 is a deficient number, since it is larger than the sum of its proper divisors (7246714).

14220746 is a wasteful number, since it uses less digits than its factorization.

14220746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45448.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 14220746 is about 3771.0404399847. The cubic root of 14220746 is about 242.2743626903.

Adding to 14220746 its reverse (64702241), we get a palindrome (78922987).

The spelling of 14220746 in words is "fourteen million, two hundred twenty thousand, seven hundred forty-six".

Divisors: 1 2 157 314 45289 90578 7110373 14220746