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14220252 = 2233353373
BaseRepresentation
bin110110001111…
…101111011100
3222202110112000
4312033233130
512120022002
61224442300
7231604314
oct66175734
928673460
1014220252
118032982
124919390
132c3b767
141c62444
1513ad61c
hexd8fbdc

14220252 has 48 divisors (see below), whose sum is σ = 37070880. Its totient is φ = 4713984.

The previous prime is 14220209. The next prime is 14220253. The reversal of 14220252 is 25202241.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14220253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37938 + ... + 38310.

It is an arithmetic number, because the mean of its divisors is an integer number (772310).

Almost surely, 214220252 is an apocalyptic number.

14220252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

14220252 is an abundant number, since it is smaller than the sum of its proper divisors (22850628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14220252 is a wasteful number, since it uses less digits than its factorization.

14220252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 14220252 is about 3770.9749402509. The cubic root of 14220252 is about 242.2715572837.

Adding to 14220252 its reverse (25202241), we get a palindrome (39422493).

The spelling of 14220252 in words is "fourteen million, two hundred twenty thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 353 373 706 746 1059 1119 1412 1492 2118 2238 3177 3357 4236 4476 6354 6714 9531 10071 12708 13428 19062 20142 38124 40284 131669 263338 395007 526676 790014 1185021 1580028 2370042 3555063 4740084 7110126 14220252