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14518900 = 22521167197
BaseRepresentation
bin110111011000…
…101001110100
31000022122012001
4313120221310
512204101100
61235105044
7234260104
oct67305164
930278161
1014518900
1182172a0
124a42184
133014686
141cdd204
15141bd6a
hexdd8a74

14518900 has 72 divisors (see below), whose sum is σ = 35060256. Its totient is φ = 5174400.

The previous prime is 14518891. The next prime is 14518921. The reversal of 14518900 is 981541.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73602 + ... + 73798.

It is an arithmetic number, because the mean of its divisors is an integer number (486948).

Almost surely, 214518900 is an apocalyptic number.

14518900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14518900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17530128).

14518900 is an abundant number, since it is smaller than the sum of its proper divisors (20541356).

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

14518900 is a wasteful number, since it uses less digits than its factorization.

14518900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 14518900 is about 3810.3674363505. The cubic root of 14518900 is about 243.9558506523.

The spelling of 14518900 in words is "fourteen million, five hundred eighteen thousand, nine hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 67 100 110 134 197 220 268 275 335 394 550 670 737 788 985 1100 1340 1474 1675 1970 2167 2948 3350 3685 3940 4334 4925 6700 7370 8668 9850 10835 13199 14740 18425 19700 21670 26398 36850 43340 52796 54175 65995 73700 108350 131990 145189 216700 263980 290378 329975 580756 659950 725945 1319900 1451890 2903780 3629725 7259450 14518900