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852128044 = 22266379997
BaseRepresentation
bin110010110010100…
…111000100101100
32012101102120220221
4302302213010230
53221121044134
6220320021124
730054653215
oct6262470454
92171376827
10852128044
113a8005459
121b94617a4
13107704aa1
148125840c
154ec225b4
hex32ca712c

852128044 has 12 divisors (see below), whose sum is σ = 1491802704. Its totient is φ = 425898704.

The previous prime is 852128029. The next prime is 852128047. The reversal of 852128044 is 440821258.

It is a super-2 number, since 2×8521280442 = 1452244406742531872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (852128047) 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, 29347 + ... + 50650.

It is an arithmetic number, because the mean of its divisors is an integer number (124316892).

Almost surely, 2852128044 is an apocalyptic number.

It is an amenable number.

852128044 is a deficient number, since it is larger than the sum of its proper divisors (639674660).

852128044 is a wasteful number, since it uses less digits than its factorization.

852128044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82664 (or 82662 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 852128044 is about 29191.2323138301. The cubic root of 852128044 is about 948.0580993667.

The spelling of 852128044 in words is "eight hundred fifty-two million, one hundred twenty-eight thousand, forty-four".

Divisors: 1 2 4 2663 5326 10652 79997 159994 319988 213032011 426064022 852128044