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85648633 = 737332803
BaseRepresentation
bin1010001101011…
…10010011111001
312222011101211121
411012232103321
5133411224013
612255425241
72060000320
oct506562371
9188141747
1085648633
114438a0a4
1224825221
131498a485
14b5370b7
1577bc58d
hex51ae4f9

85648633 has 8 divisors (see below), whose sum is σ = 98149568. Its totient is φ = 73214064.

The previous prime is 85648621. The next prime is 85648639. The reversal of 85648633 is 33684658.

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

It is a de Polignac number, because none of the positive numbers 2k-85648633 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 85648633.

It is not an unprimeable number, because it can be changed into a prime (85648639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13791 + ... + 19012.

It is an arithmetic number, because the mean of its divisors is an integer number (12268696).

Almost surely, 285648633 is an apocalyptic number.

It is an amenable number.

85648633 is a deficient number, since it is larger than the sum of its proper divisors (12500935).

85648633 is a wasteful number, since it uses less digits than its factorization.

85648633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33183.

The product of its digits is 414720, while the sum is 43.

The square root of 85648633 is about 9254.6546667069. The cubic root of 85648633 is about 440.7985378376.

The spelling of 85648633 in words is "eighty-five million, six hundred forty-eight thousand, six hundred thirty-three".

Divisors: 1 7 373 2611 32803 229621 12235519 85648633