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8424431812 = 2219234819469
BaseRepresentation
bin1111101100010001…
…01010000011000100
3210202010001110220001
413312020222003010
5114223123304222
63511540451044
7415523326456
oct76610520304
923663043801
108424431812
113633410345
1217713a9a84
13a4345a0c4
1459cbcc2d6
153448d7e27
hex1f622a0c4

8424431812 has 24 divisors (see below), whose sum is σ = 16193419200. Its totient is φ = 3817018656.

The previous prime is 8424431801. The next prime is 8424431819. The reversal of 8424431812 is 2181344248.

It is not an unprimeable number, because it can be changed into a prime (8424431819) 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, 2407987 + ... + 2411482.

It is an arithmetic number, because the mean of its divisors is an integer number (674725800).

Almost surely, 28424431812 is an apocalyptic number.

It is an amenable number.

8424431812 is a deficient number, since it is larger than the sum of its proper divisors (7768987388).

8424431812 is a wasteful number, since it uses less digits than its factorization.

8424431812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4819515 (or 4819513 counting only the distinct ones).

The product of its digits is 49152, while the sum is 37.

The square root of 8424431812 is about 91784.7035839851. The cubic root of 8424431812 is about 2034.7616317338.

The spelling of 8424431812 in words is "eight billion, four hundred twenty-four million, four hundred thirty-one thousand, eight hundred twelve".

Divisors: 1 2 4 19 23 38 46 76 92 437 874 1748 4819469 9638938 19277876 91569911 110847787 183139822 221695574 366279644 443391148 2106107953 4212215906 8424431812