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85487743 = 1157713469
BaseRepresentation
bin1010001100001…
…11000001111111
312221212020010201
411012013001333
5133341101433
612252144331
72055430255
oct506070177
9187766121
1085487743
114428a230
12247680a7
1314932183
14b4d45d5
157789a7d
hex518707f

85487743 has 8 divisors (see below), whose sum is σ = 93427920. Its totient is φ = 77575680.

The previous prime is 85487729. The next prime is 85487767. The reversal of 85487743 is 34778458.

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

It is a cyclic number.

It is not a de Polignac number, because 85487743 - 29 = 85487231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85487693 and 85487702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85487443) 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, 388 + ... + 13081.

It is an arithmetic number, because the mean of its divisors is an integer number (11678490).

Almost surely, 285487743 is an apocalyptic number.

85487743 is a deficient number, since it is larger than the sum of its proper divisors (7940177).

85487743 is a wasteful number, since it uses less digits than its factorization.

85487743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14057.

The product of its digits is 752640, while the sum is 46.

The square root of 85487743 is about 9245.9581980452. The cubic root of 85487743 is about 440.5223531195.

The spelling of 85487743 in words is "eighty-five million, four hundred eighty-seven thousand, seven hundred forty-three".

Divisors: 1 11 577 6347 13469 148159 7771613 85487743