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14818140 = 223553049
BaseRepresentation
bin111000100001…
…101101011100
31000212211200000
4320201231130
512243140030
61245334300
7236644401
oct70415534
930784600
1014818140
1184010a7
124b67390
1330ba93c
141d7a2a8
15147a860
hexe21b5c

14818140 has 72 divisors (see below), whose sum is σ = 46628400. Its totient is φ = 3950208.

The previous prime is 14818129. The next prime is 14818151. The reversal of 14818140 is 4181841.

14818140 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (14818129) and next prime (14818151).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3336 + ... + 6384.

Almost surely, 214818140 is an apocalyptic number.

14818140 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 14818140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23314200).

14818140 is an abundant number, since it is smaller than the sum of its proper divisors (31810260).

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

14818140 is a wasteful number, since it uses less digits than its factorization.

14818140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3073 (or 3059 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 14818140 is about 3849.4337245886. The cubic root of 14818140 is about 245.6204736652.

Adding to 14818140 its reverse (4181841), we get a palindrome (18999981).

The spelling of 14818140 in words is "fourteen million, eight hundred eighteen thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 243 270 324 405 486 540 810 972 1215 1620 2430 3049 4860 6098 9147 12196 15245 18294 27441 30490 36588 45735 54882 60980 82323 91470 109764 137205 164646 182940 246969 274410 329292 411615 493938 548820 740907 823230 987876 1234845 1481814 1646460 2469690 2963628 3704535 4939380 7409070 14818140