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85089874 = 2891014733
BaseRepresentation
bin1010001001001…
…01111001010010
312221010000100211
411010211321102
5133240333444
612235434334
72052152302
oct504457122
9187100324
1085089874
1144038311
12245b59aa
131482304c
14b42d602
15770bc34
hex5125e52

85089874 has 16 divisors (see below), whose sum is σ = 130374360. Its totient is φ = 41641600.

The previous prime is 85089863. The next prime is 85089889. The reversal of 85089874 is 47898058.

It can be written as a sum of positive squares in 4 ways, for example, as 69605649 + 15484225 = 8343^2 + 3935^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15612 + ... + 20344.

Almost surely, 285089874 is an apocalyptic number.

85089874 is a deficient number, since it is larger than the sum of its proper divisors (45284486).

85089874 is a wasteful number, since it uses less digits than its factorization.

85089874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4925.

The product of its (nonzero) digits is 645120, while the sum is 49.

The square root of 85089874 is about 9224.4172715679. The cubic root of 85089874 is about 439.8378775995.

The spelling of 85089874 in words is "eighty-five million, eighty-nine thousand, eight hundred seventy-four".

Divisors: 1 2 89 101 178 202 4733 8989 9466 17978 421237 478033 842474 956066 42544937 85089874