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14321142 = 23211151479
BaseRepresentation
bin110110101000…
…010111110110
3222221120220200
4312220113312
512131234032
61230541330
7232504413
oct66502766
928846820
1014321142
1180a1760
124967846
132c75664
141c8b10a
1513cd47c
hexda85f6

14321142 has 48 divisors (see below), whose sum is σ = 34145280. Its totient is φ = 4302000.

The previous prime is 14321141. The next prime is 14321147. The reversal of 14321142 is 24112341.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14321141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29659 + ... + 30137.

It is an arithmetic number, because the mean of its divisors is an integer number (711360).

Almost surely, 214321142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14321142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17072640).

14321142 is an abundant number, since it is smaller than the sum of its proper divisors (19824138).

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

14321142 is a wasteful number, since it uses less digits than its factorization.

14321142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649 (or 646 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 14321142 is about 3784.3284741153. The cubic root of 14321142 is about 242.8431645604.

Adding to 14321142 its reverse (24112341), we get a palindrome (38433483).

The spelling of 14321142 in words is "fourteen million, three hundred twenty-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 151 198 302 453 479 906 958 1359 1437 1661 2718 2874 3322 4311 4983 5269 8622 9966 10538 14949 15807 29898 31614 47421 72329 94842 144658 216987 433974 650961 795619 1301922 1591238 2386857 4773714 7160571 14321142