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85604743 = 718316679
BaseRepresentation
bin1010001101000…
…11100110000111
312222002011122001
411012203212013
5133403322433
612254450131
72056425340
oct506434607
9188064561
1085604743
114435a124
1224803947
13149734c3
14b5250c7
1577ae57d
hex51a3987

85604743 has 8 divisors (see below), whose sum is σ = 97902080. Its totient is φ = 73324440.

The previous prime is 85604711. The next prime is 85604767. The reversal of 85604743 is 34740658.

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

It is not a de Polignac number, because 85604743 - 25 = 85604711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85604243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9478 + ... + 16156.

It is an arithmetic number, because the mean of its divisors is an integer number (12237760).

Almost surely, 285604743 is an apocalyptic number.

85604743 is a deficient number, since it is larger than the sum of its proper divisors (12297337).

85604743 is a wasteful number, since it uses less digits than its factorization.

85604743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8517.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 85604743 is about 9252.2831236403. The cubic root of 85604743 is about 440.7232303370.

The spelling of 85604743 in words is "eighty-five million, six hundred four thousand, seven hundred forty-three".

Divisors: 1 7 1831 6679 12817 46753 12229249 85604743