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85485441 = 328495147
BaseRepresentation
bin1010001100001…
…10011110000001
312221212002222110
411012012132001
5133341013231
612252125533
72055420456
oct506063601
9187762873
1085485441
1144288528
12247668a9
1314931102
14b4d382d
157789046
hex5186781

85485441 has 4 divisors (see below), whose sum is σ = 113980592. Its totient is φ = 56990292.

The previous prime is 85485431. The next prime is 85485443. The reversal of 85485441 is 14458458.

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 not a de Polignac number, because 85485441 - 26 = 85485377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85485441.

It is not an unprimeable number, because it can be changed into a prime (85485443) 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, 14247571 + ... + 14247576.

It is an arithmetic number, because the mean of its divisors is an integer number (28495148).

Almost surely, 285485441 is an apocalyptic number.

It is an amenable number.

85485441 is a deficient number, since it is larger than the sum of its proper divisors (28495151).

85485441 is a wasteful number, since it uses less digits than its factorization.

85485441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28495150.

The product of its digits is 102400, while the sum is 39.

The square root of 85485441 is about 9245.8337103800. The cubic root of 85485441 is about 440.5183989793.

The spelling of 85485441 in words is "eighty-five million, four hundred eighty-five thousand, four hundred forty-one".

Divisors: 1 3 28495147 85485441