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85471833 = 367425233
BaseRepresentation
bin1010001100000…
…11001001011001
312221211102022110
411012003021121
5133340044313
612251542533
72055333006
oct506031131
9187742273
1085471833
1144279287
122475aa49
1314927b65
14b4cc8ad
157784ec3
hex5183259

85471833 has 8 divisors (see below), whose sum is σ = 115663648. Its totient is φ = 56130624.

The previous prime is 85471829. The next prime is 85471843. The reversal of 85471833 is 33817458.

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

It is not a de Polignac number, because 85471833 - 22 = 85471829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85471791 and 85471800.

It is not an unprimeable number, because it can be changed into a prime (85471843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212416 + ... + 212817.

It is an arithmetic number, because the mean of its divisors is an integer number (14457956).

Almost surely, 285471833 is an apocalyptic number.

It is an amenable number.

85471833 is a deficient number, since it is larger than the sum of its proper divisors (30191815).

85471833 is a wasteful number, since it uses less digits than its factorization.

85471833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425303.

The product of its digits is 80640, while the sum is 39.

The square root of 85471833 is about 9245.0977820681. The cubic root of 85471833 is about 440.4950230983.

It can be divided in two parts, 8547 and 1833, that multiplied together give a palindrome (15666651).

The spelling of 85471833 in words is "eighty-five million, four hundred seventy-one thousand, eight hundred thirty-three".

Divisors: 1 3 67 201 425233 1275699 28490611 85471833