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842079213 = 3347976841
BaseRepresentation
bin110010001100010…
…001101111101101
32011200112001112000
4302030101233231
53211033013323
6215320402513
726603361303
oct6214215755
92150461460
10842079213
113a2371638
121b6016439
131055c6c31
147dba0273
154ddd9e43
hex32311bed

842079213 has 32 divisors (see below), whose sum is σ = 1287390720. Its totient is φ = 543697920.

The previous prime is 842079179. The next prime is 842079253. The reversal of 842079213 is 312970248.

It is not a de Polignac number, because 842079213 - 26 = 842079149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842079253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119673 + ... + 126513.

It is an arithmetic number, because the mean of its divisors is an integer number (40230960).

Almost surely, 2842079213 is an apocalyptic number.

It is an amenable number.

842079213 is a deficient number, since it is larger than the sum of its proper divisors (445311507).

842079213 is a wasteful number, since it uses less digits than its factorization.

842079213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6994 (or 6988 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 842079213 is about 29018.6011551212. The cubic root of 842079213 is about 944.3166538757.

The spelling of 842079213 in words is "eight hundred forty-two million, seventy-nine thousand, two hundred thirteen".

Divisors: 1 3 9 27 47 97 141 291 423 873 1269 2619 4559 6841 13677 20523 41031 61569 123093 184707 321527 663577 964581 1990731 2893743 5972193 8681229 17916579 31188119 93564357 280693071 842079213