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85885633 = 191449663
BaseRepresentation
bin1010001111010…
…00001011000001
312222121102221101
411013220023001
5133441320013
612304454401
72062005301
oct507501301
9188542841
1085885633
1144531169
122491a401
1314a41302
14b599601
1578178dd
hex51e82c1

85885633 has 4 divisors (see below), whose sum is σ = 86335488. Its totient is φ = 85435780.

The previous prime is 85885627. The next prime is 85885637. The reversal of 85885633 is 33658858.

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 85885633 - 25 = 85885601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85885637) 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, 224641 + ... + 225022.

It is an arithmetic number, because the mean of its divisors is an integer number (21583872).

Almost surely, 285885633 is an apocalyptic number.

It is an amenable number.

85885633 is a deficient number, since it is larger than the sum of its proper divisors (449855).

85885633 is a wasteful number, since it uses less digits than its factorization.

85885633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449854.

The product of its digits is 691200, while the sum is 46.

The square root of 85885633 is about 9267.4501886981. The cubic root of 85885633 is about 441.2047441328.

The spelling of 85885633 in words is "eighty-five million, eight hundred eighty-five thousand, six hundred thirty-three".

Divisors: 1 191 449663 85885633