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85747676 = 22743229311
BaseRepresentation
bin1010001110001…
…10011111011100
312222100102200212
411013012133130
5133422411201
612301511552
72060562140
oct507063734
9188312625
1085747676
1144447553
12248725b8
13149c3591
14b561220
1577dbabb
hex51c67dc

85747676 has 48 divisors (see below), whose sum is σ = 176816640. Its totient is φ = 35622720.

The previous prime is 85747637. The next prime is 85747679. The reversal of 85747676 is 67674758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85747679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275561 + ... + 275871.

It is an arithmetic number, because the mean of its divisors is an integer number (3683680).

Almost surely, 285747676 is an apocalyptic number.

85747676 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85747676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88408320).

85747676 is an abundant number, since it is smaller than the sum of its proper divisors (91068964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85747676 is a wasteful number, since it uses less digits than its factorization.

85747676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 592 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 50.

The square root of 85747676 is about 9260.0041036708. The cubic root of 85747676 is about 440.9683836768.

The spelling of 85747676 in words is "eighty-five million, seven hundred forty-seven thousand, six hundred seventy-six".

Divisors: 1 2 4 7 14 28 43 86 172 229 301 311 458 602 622 916 1204 1244 1603 2177 3206 4354 6412 8708 9847 13373 19694 26746 39388 53492 68929 71219 93611 137858 142438 187222 275716 284876 374444 498533 997066 1994132 3062417 6124834 12249668 21436919 42873838 85747676