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85385433 = 374065973
BaseRepresentation
bin1010001011011…
…10000011011001
312221200000210110
411011232003121
5133324313213
612250034533
72054523060
oct505560331
9187600713
1085385433
114421a381
1224718a49
13148c7733
14b4a91d7
1577695c3
hex516e0d9

85385433 has 8 divisors (see below), whose sum is σ = 130111168. Its totient is φ = 48791664.

The previous prime is 85385429. The next prime is 85385473. The reversal of 85385433 is 33458358.

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

It is not a de Polignac number, because 85385433 - 22 = 85385429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85385391 and 85385400.

It is not an unprimeable number, because it can be changed into a prime (85385473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2032966 + ... + 2033007.

It is an arithmetic number, because the mean of its divisors is an integer number (16263896).

Almost surely, 285385433 is an apocalyptic number.

It is an amenable number.

85385433 is a deficient number, since it is larger than the sum of its proper divisors (44725735).

85385433 is a wasteful number, since it uses less digits than its factorization.

85385433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4065983.

The product of its digits is 172800, while the sum is 39.

The square root of 85385433 is about 9240.4238539149. The cubic root of 85385433 is about 440.3465468893.

It can be divided in two parts, 853854 and 33, that multiplied together give a palindrome (28177182).

The spelling of 85385433 in words is "eighty-five million, three hundred eighty-five thousand, four hundred thirty-three".

Divisors: 1 3 7 21 4065973 12197919 28461811 85385433