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14518340 = 2251742701
BaseRepresentation
bin110111011000…
…100001000100
31000022121102022
4313120201010
512204041330
61235102312
7234255344
oct67304104
930277368
1014518340
118216931
124a41998
133014345
141cdcd24
15141bae5
hexdd8844

14518340 has 24 divisors (see below), whose sum is σ = 32282712. Its totient is φ = 5465600.

The previous prime is 14518211. The next prime is 14518351. The reversal of 14518340 is 4381541.

It can be written as a sum of positive squares in 4 ways, for example, as 6543364 + 7974976 = 2558^2 + 2824^2 .

It is a nialpdrome in base 16.

It is a zygodrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21011 + ... + 21690.

It is an arithmetic number, because the mean of its divisors is an integer number (1345113).

Almost surely, 214518340 is an apocalyptic number.

14518340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14518340 is an abundant number, since it is smaller than the sum of its proper divisors (17764372).

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

14518340 is a wasteful number, since it uses less digits than its factorization.

14518340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42727 (or 42725 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 14518340 is about 3810.2939519150. The cubic root of 14518340 is about 243.9527141191.

Adding to 14518340 its reverse (4381541), we get a palindrome (18899881).

The spelling of 14518340 in words is "fourteen million, five hundred eighteen thousand, three hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 42701 85402 170804 213505 427010 725917 854020 1451834 2903668 3629585 7259170 14518340