Search a number
-
+
14518660 = 22513192939
BaseRepresentation
bin110111011000…
…100110000100
31000022121212011
4313120212010
512204044120
61235104004
7234256312
oct67304604
930277764
1014518660
1182170a2
124a42004
133014530
141cdd0b2
15141bc5a
hexdd8984

14518660 has 48 divisors (see below), whose sum is σ = 34574400. Its totient is φ = 5076864.

The previous prime is 14518657. The next prime is 14518667. The reversal of 14518660 is 6681541.

It is not an unprimeable number, because it can be changed into a prime (14518667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3471 + ... + 6409.

It is an arithmetic number, because the mean of its divisors is an integer number (720300).

Almost surely, 214518660 is an apocalyptic number.

14518660 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 14518660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17287200).

14518660 is an abundant number, since it is smaller than the sum of its proper divisors (20055740).

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

14518660 is a wasteful number, since it uses less digits than its factorization.

14518660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980 (or 2978 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 14518660 is about 3810.3359431945. The cubic root of 14518660 is about 243.9545064336.

The spelling of 14518660 in words is "fourteen million, five hundred eighteen thousand, six hundred sixty".

Divisors: 1 2 4 5 10 13 19 20 26 38 52 65 76 95 130 190 247 260 380 494 988 1235 2470 2939 4940 5878 11756 14695 29390 38207 55841 58780 76414 111682 152828 191035 223364 279205 382070 558410 725933 764140 1116820 1451866 2903732 3629665 7259330 14518660