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852831089 = 11510115199
BaseRepresentation
bin110010110101010…
…010101101110001
32012102202022022122
4302311102231301
53221311043324
6220343044025
730063642005
oct6265225561
92172668278
10852831089
113a8445690
121b9740615
131078bcaa6
148139c705
154ed10a5e
hex32d52b71

852831089 has 8 divisors (see below), whose sum is σ = 930604800. Its totient is φ = 775098000.

The previous prime is 852831073. The next prime is 852831097. The reversal of 852831089 is 980138258.

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

It is a cyclic number.

It is not a de Polignac number, because 852831089 - 24 = 852831073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (852831029) 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, 48512 + ... + 63710.

It is an arithmetic number, because the mean of its divisors is an integer number (116325600).

Almost surely, 2852831089 is an apocalyptic number.

It is an amenable number.

852831089 is a deficient number, since it is larger than the sum of its proper divisors (77773711).

852831089 is a wasteful number, since it uses less digits than its factorization.

852831089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20311.

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 852831089 is about 29203.2718886086. The cubic root of 852831089 is about 948.3187582703.

The spelling of 852831089 in words is "eight hundred fifty-two million, eight hundred thirty-one thousand, eighty-nine".

Divisors: 1 11 5101 15199 56111 167189 77530099 852831089