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842528132 = 221347715629
BaseRepresentation
bin110010001101111…
…111010110000100
32011201100212022122
4302031333112010
53211141400012
6215334145112
726610241145
oct6215772604
92151325278
10842528132
113a2648946
121b61b2198
13105723374
147dc79acc
154de77e72
hex3237f584

842528132 has 12 divisors (see below), whose sum is σ = 1474627980. Its totient is φ = 421205856.

The previous prime is 842528123. The next prime is 842528171. The reversal of 842528132 is 231825248.

It can be written as a sum of positive squares in 2 ways, for example, as 762532996 + 79995136 = 27614^2 + 8944^2 .

It is a super-2 number, since 2×8425281322 = 1419707306422818848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 842528092 and 842528101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46094 + ... + 61722.

It is an arithmetic number, because the mean of its divisors is an integer number (122885665).

Almost surely, 2842528132 is an apocalyptic number.

It is an amenable number.

842528132 is a deficient number, since it is larger than the sum of its proper divisors (632099848).

842528132 is a wasteful number, since it uses less digits than its factorization.

842528132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29110 (or 29108 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 842528132 is about 29026.3351458637. The cubic root of 842528132 is about 944.4844315906.

The spelling of 842528132 in words is "eight hundred forty-two million, five hundred twenty-eight thousand, one hundred thirty-two".

Divisors: 1 2 4 13477 15629 26954 31258 53908 62516 210632033 421264066 842528132