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14528220 = 2235734591
BaseRepresentation
bin110111011010…
…111011011100
31000100002222020
4313122323130
512204400340
61235220140
7234326220
oct67327334
930302866
1014528220
1182232a3
124a47650
1330189a5
141d02780
15141e9d0
hexddaedc

14528220 has 48 divisors (see below), whose sum is σ = 46491648. Its totient is φ = 3320640.

The previous prime is 14528197. The next prime is 14528221. The reversal of 14528220 is 2282541.

It is a super-2 number, since 2×145282202 = 422138352736800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14528221) 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, 16876 + ... + 17715.

It is an arithmetic number, because the mean of its divisors is an integer number (968576).

Almost surely, 214528220 is an apocalyptic number.

14528220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14528220 is an abundant number, since it is smaller than the sum of its proper divisors (31963428).

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

14528220 is a wasteful number, since it uses less digits than its factorization.

14528220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34610 (or 34608 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 14528220 is about 3811.5902193179. The cubic root of 14528220 is about 244.0080396885.

The spelling of 14528220 in words is "fourteen million, five hundred twenty-eight thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 34591 69182 103773 138364 172955 207546 242137 345910 415092 484274 518865 691820 726411 968548 1037730 1210685 1452822 2075460 2421370 2905644 3632055 4842740 7264110 14528220