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85348665 = 3251999823
BaseRepresentation
bin1010001011001…
…01000100111001
312221121011100200
411011211010321
5133322124130
612245152413
72054310633
oct505450471
9187534320
1085348665
11441a4796
12246bb709
13148b3a8c
14b499a53
15775d760
hex5165139

85348665 has 24 divisors (see below), whose sum is σ = 155725440. Its totient is φ = 43123104.

The previous prime is 85348661. The next prime is 85348667. The reversal of 85348665 is 56684358.

It is not a de Polignac number, because 85348665 - 22 = 85348661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 85348665.

It is not an unprimeable number, because it can be changed into a prime (85348661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49057 + ... + 50766.

It is an arithmetic number, because the mean of its divisors is an integer number (6488560).

Almost surely, 285348665 is an apocalyptic number.

It is an amenable number.

85348665 is a deficient number, since it is larger than the sum of its proper divisors (70376775).

85348665 is a wasteful number, since it uses less digits than its factorization.

85348665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99853 (or 99850 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 85348665 is about 9238.4341205639. The cubic root of 85348665 is about 440.2833316320.

The spelling of 85348665 in words is "eighty-five million, three hundred forty-eight thousand, six hundred sixty-five".

Divisors: 1 3 5 9 15 19 45 57 95 171 285 855 99823 299469 499115 898407 1497345 1896637 4492035 5689911 9483185 17069733 28449555 85348665