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14140230 = 2351322789
BaseRepresentation
bin110101111100…
…001101000110
3222121101202020
4311330031012
512104441410
61223024010
7231122106
oct65741506
928541666
1014140230
117a88845
12489b006
132c11200
141c41206
151394a70
hexd7c346

14140230 has 48 divisors (see below), whose sum is σ = 36761040. Its totient is φ = 3479424.

The previous prime is 14140229. The next prime is 14140261. The reversal of 14140230 is 3204141.

14140230 = 2882 + 2892 + ... + 4042.

It is a super-2 number, since 2×141402302 = 399892208905800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 3676 + ... + 6464.

It is an arithmetic number, because the mean of its divisors is an integer number (765855).

Almost surely, 214140230 is an apocalyptic number.

14140230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14140230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18380520).

14140230 is an abundant number, since it is smaller than the sum of its proper divisors (22620810).

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

14140230 is a wasteful number, since it uses less digits than its factorization.

14140230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825 (or 2812 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 14140230 is about 3760.3497177789. The cubic root of 14140230 is about 241.8162551218.

Adding to 14140230 its reverse (3204141), we get a palindrome (17344371).

The spelling of 14140230 in words is "fourteen million, one hundred forty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 169 195 338 390 507 845 1014 1690 2535 2789 5070 5578 8367 13945 16734 27890 36257 41835 72514 83670 108771 181285 217542 362570 471341 543855 942682 1087710 1414023 2356705 2828046 4713410 7070115 14140230