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85472133 = 328490711
BaseRepresentation
bin1010001100000…
…11001110000101
312221211102201120
411012003032011
5133340102013
612251544153
72055333615
oct506031605
9187742646
1085472133
114427952a
122475b059
1314928036
14b4cca45
157785123
hex5183385

85472133 has 4 divisors (see below), whose sum is σ = 113962848. Its totient is φ = 56981420.

The previous prime is 85472119. The next prime is 85472137. The reversal of 85472133 is 33127458.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85472133 - 26 = 85472069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85472094 and 85472103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85472137) 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 3 ways as a sum of consecutive naturals, for example, 14245353 + ... + 14245358.

It is an arithmetic number, because the mean of its divisors is an integer number (28490712).

Almost surely, 285472133 is an apocalyptic number.

It is an amenable number.

85472133 is a deficient number, since it is larger than the sum of its proper divisors (28490715).

85472133 is a wasteful number, since it uses less digits than its factorization.

85472133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28490714.

The product of its digits is 20160, while the sum is 33.

The square root of 85472133 is about 9245.1140068687. The cubic root of 85472133 is about 440.4955384664.

The spelling of 85472133 in words is "eighty-five million, four hundred seventy-two thousand, one hundred thirty-three".

Divisors: 1 3 28490711 85472133