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85828847 = 1322371311
BaseRepresentation
bin1010001110110…
…10010011101111
312222111120001012
411013122103233
5133433010342
612303335435
72061350606
oct507322357
9188446035
1085828847
11444a2535
12248b157b
1314a21500
14b582a3d
157805b82
hex51da4ef

85828847 has 24 divisors (see below), whose sum is σ = 98661888. Its totient is φ = 74474400.

The previous prime is 85828843. The next prime is 85828877. The reversal of 85828847 is 74882858.

It is not a de Polignac number, because 85828847 - 22 = 85828843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85828795 and 85828804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85828843) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 275822 + ... + 276132.

It is an arithmetic number, because the mean of its divisors is an integer number (4110912).

Almost surely, 285828847 is an apocalyptic number.

85828847 is a deficient number, since it is larger than the sum of its proper divisors (12833041).

85828847 is a wasteful number, since it uses less digits than its factorization.

85828847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 418 counting only the distinct ones).

The product of its digits is 1146880, while the sum is 50.

The square root of 85828847 is about 9264.3859483508. The cubic root of 85828847 is about 441.1074838749.

The spelling of 85828847 in words is "eighty-five million, eight hundred twenty-eight thousand, eight hundred forty-seven".

Divisors: 1 13 23 71 169 299 311 923 1633 3887 4043 7153 11999 21229 22081 52559 92989 275977 287053 507863 1208857 3731689 6602219 85828847