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842768086 = 2499844457
BaseRepresentation
bin110010001110111…
…001111011010110
32011201211001110211
4302032321323112
53211222034321
6215343240034
726612260546
oct6216717326
92151731424
10842768086
113a27a2156
121b62a901a
131057a8654
147dcdd326
154dec40e1
hex323b9ed6

842768086 has 8 divisors (see below), whose sum is σ = 1266687000. Its totient is φ = 420539088.

The previous prime is 842768071. The next prime is 842768089. The reversal of 842768086 is 680867248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842768089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421231 + ... + 423226.

It is an arithmetic number, because the mean of its divisors is an integer number (158335875).

Almost surely, 2842768086 is an apocalyptic number.

842768086 is a deficient number, since it is larger than the sum of its proper divisors (423918914).

842768086 is a wasteful number, since it uses less digits than its factorization.

842768086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844958.

The product of its (nonzero) digits is 1032192, while the sum is 49.

The square root of 842768086 is about 29030.4682359758. The cubic root of 842768086 is about 944.5740868780.

The spelling of 842768086 in words is "eight hundred forty-two million, seven hundred sixty-eight thousand, eighty-six".

Divisors: 1 2 499 998 844457 1688914 421384043 842768086