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14131230 = 235471041
BaseRepresentation
bin110101111010…
…000000011110
3222120221101220
4311322000132
512104144410
61222514210
7231053631
oct65720036
928527356
1014131230
117a82003
124895966
132c0a099
141c3bc18
151392070
hexd7a01e

14131230 has 16 divisors (see below), whose sum is σ = 33915024. Its totient is φ = 3768320.

The previous prime is 14131147. The next prime is 14131237. The reversal of 14131230 is 3213141.

14131230 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 a super-2 number, since 2×141312302 = 399383322625800, 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 not an unprimeable number, because it can be changed into a prime (14131237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235491 + ... + 235550.

It is an arithmetic number, because the mean of its divisors is an integer number (2119689).

Almost surely, 214131230 is an apocalyptic number.

14131230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14131230 is an abundant number, since it is smaller than the sum of its proper divisors (19783794).

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

14131230 is a wasteful number, since it uses less digits than its factorization.

14131230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471051.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 14131230 is about 3759.1528300935. The cubic root of 14131230 is about 241.7649403461.

Adding to 14131230 its reverse (3213141), we get a palindrome (17344371).

The spelling of 14131230 in words is "fourteen million, one hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 471041 942082 1413123 2355205 2826246 4710410 7065615 14131230