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85303737 = 329478193
BaseRepresentation
bin1010001010110…
…10000110111001
312221111212201200
411011122012321
5133314204422
612244204413
72054032641
oct505320671
9187455650
1085303737
1144173a62
1224699709
13148994ac
14b487521
1577502ac
hex515a1b9

85303737 has 6 divisors (see below), whose sum is σ = 123216522. Its totient is φ = 56869152.

The previous prime is 85303733. The next prime is 85303747. The reversal of 85303737 is 73730358.

It can be written as a sum of positive squares in only one way, i.e., 73770921 + 11532816 = 8589^2 + 3396^2 .

It is not a de Polignac number, because 85303737 - 22 = 85303733 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85303733) 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 5 ways as a sum of consecutive naturals, for example, 4739088 + ... + 4739105.

It is an arithmetic number, because the mean of its divisors is an integer number (20536087).

Almost surely, 285303737 is an apocalyptic number.

It is an amenable number.

85303737 is a deficient number, since it is larger than the sum of its proper divisors (37912785).

85303737 is a wasteful number, since it uses less digits than its factorization.

85303737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9478199 (or 9478196 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 85303737 is about 9236.0022195753. The cubic root of 85303737 is about 440.2060622278.

The spelling of 85303737 in words is "eighty-five million, three hundred three thousand, seven hundred thirty-seven".

Divisors: 1 3 9 9478193 28434579 85303737