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12145614 = 2313315023
BaseRepresentation
bin101110010101…
…001111001110
3211212001122120
4232111033032
511102124424
61112153410
7205143645
oct56251716
924761576
1012145614
1169461a8
124098866
132693370
14188235c
1510eda79
hexb953ce

12145614 has 32 divisors (see below), whose sum is σ = 27009024. Its totient is φ = 3615840.

The previous prime is 12145607. The next prime is 12145669. The reversal of 12145614 is 41654121.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94 + ... + 4929.

It is an arithmetic number, because the mean of its divisors is an integer number (844032).

Almost surely, 212145614 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12145614, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13504512).

12145614 is an abundant number, since it is smaller than the sum of its proper divisors (14863410).

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

12145614 is a wasteful number, since it uses less digits than its factorization.

12145614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5072.

The product of its digits is 960, while the sum is 24.

The square root of 12145614 is about 3485.0558101700. The cubic root of 12145614 is about 229.8651635643.

Adding to 12145614 its reverse (41654121), we get a palindrome (53799735).

The spelling of 12145614 in words is "twelve million, one hundred forty-five thousand, six hundred fourteen".

Divisors: 1 2 3 6 13 26 31 39 62 78 93 186 403 806 1209 2418 5023 10046 15069 30138 65299 130598 155713 195897 311426 391794 467139 934278 2024269 4048538 6072807 12145614