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85466933 = 181472193
BaseRepresentation
bin1010001100000…
…01111100110101
312221211011120222
411012001330311
5133334420213
612251504125
72055312506
oct506017465
9187734528
1085466933
1144275632
1224758045
1314925866
14b4cabad
157783808
hex5181f35

85466933 has 4 divisors (see below), whose sum is σ = 85939308. Its totient is φ = 84994560.

The previous prime is 85466923. The next prime is 85466947. The reversal of 85466933 is 33966458.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33966458 = 216983229.

It can be written as a sum of positive squares in 2 ways, for example, as 20857489 + 64609444 = 4567^2 + 8038^2 .

It is a cyclic number.

It is not a de Polignac number, because 85466933 - 214 = 85450549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85466923) 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 3 ways as a sum of consecutive naturals, for example, 235916 + ... + 236277.

It is an arithmetic number, because the mean of its divisors is an integer number (21484827).

Almost surely, 285466933 is an apocalyptic number.

It is an amenable number.

85466933 is a deficient number, since it is larger than the sum of its proper divisors (472375).

85466933 is a wasteful number, since it uses less digits than its factorization.

85466933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472374.

The product of its digits is 466560, while the sum is 44.

The square root of 85466933 is about 9244.8327729603. The cubic root of 85466933 is about 440.4866052497.

The spelling of 85466933 in words is "eighty-five million, four hundred sixty-six thousand, nine hundred thirty-three".

Divisors: 1 181 472193 85466933