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85964617 = 199431983
BaseRepresentation
bin1010001111110…
…11011101001001
312222202110021201
411013323131021
5134001331432
612310304201
72062454464
oct507733511
9188673251
1085964617
1144585542
1224958061
1314a6b24b
14b5ba2db
157830ee7
hex51fb749

85964617 has 4 divisors (see below), whose sum is σ = 86396800. Its totient is φ = 85532436.

The previous prime is 85964609. The next prime is 85964647. The reversal of 85964617 is 71646958.

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 85964617 - 23 = 85964609 is a prime.

It is a super-3 number, since 3×859646173 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85964647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215793 + ... + 216190.

It is an arithmetic number, because the mean of its divisors is an integer number (21599200).

Almost surely, 285964617 is an apocalyptic number.

It is an amenable number.

85964617 is a deficient number, since it is larger than the sum of its proper divisors (432183).

85964617 is a wasteful number, since it uses less digits than its factorization.

85964617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432182.

The product of its digits is 362880, while the sum is 46.

The square root of 85964617 is about 9271.7105757244. The cubic root of 85964617 is about 441.3399527707.

The spelling of 85964617 in words is "eighty-five million, nine hundred sixty-four thousand, six hundred seventeen".

Divisors: 1 199 431983 85964617