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423143224 = 23721956813
BaseRepresentation
bin11001001110001…
…010011100111000
31002111012220101021
4121032022130320
51331311040344
6105553232224
713325441500
oct3116123470
91074186337
10423143224
111a7942849
12b9862674
136988560a
14402aaa00
1527235b84
hex1938a738

423143224 has 48 divisors (see below), whose sum is σ = 971519400. Its totient is φ = 171799488.

The previous prime is 423143191. The next prime is 423143233. The reversal of 423143224 is 422341324.

It is a happy number.

It is a super-2 number, since 2×4231432242 = 358100376034228352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20959 + ... + 35854.

Almost surely, 2423143224 is an apocalyptic number.

It is an amenable number.

423143224 is an abundant number, since it is smaller than the sum of its proper divisors (548376176).

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

423143224 is a wasteful number, since it uses less digits than its factorization.

423143224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56852 (or 56841 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 423143224 is about 20570.4454011088. The cubic root of 423143224 is about 750.7507883199.

Adding to 423143224 its reverse (422341324), we get a palindrome (845484548).

The spelling of 423143224 in words is "four hundred twenty-three million, one hundred forty-three thousand, two hundred twenty-four".

Divisors: 1 2 4 7 8 14 19 28 38 49 56 76 98 133 152 196 266 392 532 931 1064 1862 3724 7448 56813 113626 227252 397691 454504 795382 1079447 1590764 2158894 2783837 3181528 4317788 5567674 7556129 8635576 11135348 15112258 22270696 30224516 52892903 60449032 105785806 211571612 423143224