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423712868 = 22105928217
BaseRepresentation
bin11001010000010…
…101100001100100
31002112021211210012
4121100111201210
51331432302433
6110013345352
713333333325
oct3120254144
91075254705
10423712868
111a81a1827
12b9a98258
1369a24997
14403b844c
15272e9848
hex19415864

423712868 has 6 divisors (see below), whose sum is σ = 741497526. Its totient is φ = 211856432.

The previous prime is 423712859. The next prime is 423712897. The reversal of 423712868 is 868217324.

It can be written as a sum of positive squares in only one way, i.e., 349615204 + 74097664 = 18698^2 + 8608^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52964105 + ... + 52964112.

It is an arithmetic number, because the mean of its divisors is an integer number (123582921).

Almost surely, 2423712868 is an apocalyptic number.

It is an amenable number.

423712868 is a deficient number, since it is larger than the sum of its proper divisors (317784658).

423712868 is a wasteful number, since it uses less digits than its factorization.

423712868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105928221 (or 105928219 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 423712868 is about 20584.2869198814. The cubic root of 423712868 is about 751.0875292409.

The spelling of 423712868 in words is "four hundred twenty-three million, seven hundred twelve thousand, eight hundred sixty-eight".

Divisors: 1 2 4 105928217 211856434 423712868