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85504084 = 22171578009
BaseRepresentation
bin1010001100010…
…11000001010100
312221220001112221
411012023001110
5133342112314
612252352124
72055526021
oct506130124
9187801487
1085504084
11442a0536
1224775644
1314939743
14b4da548
15778e824
hex518b054

85504084 has 24 divisors (see below), whose sum is σ = 159463080. Its totient is φ = 39975936.

The previous prime is 85504079. The next prime is 85504099. The reversal of 85504084 is 48040558.

It can be written as a sum of positive squares in 4 ways, for example, as 20250000 + 65254084 = 4500^2 + 8078^2 .

It is a super-3 number, since 3×855040843 (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

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, 6672 + ... + 14680.

It is an arithmetic number, because the mean of its divisors is an integer number (6644295).

Almost surely, 285504084 is an apocalyptic number.

It is an amenable number.

85504084 is a deficient number, since it is larger than the sum of its proper divisors (73958996).

85504084 is a wasteful number, since it uses less digits than its factorization.

85504084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8187 (or 8185 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 85504084 is about 9246.8418392444. The cubic root of 85504084 is about 440.5504199780.

The spelling of 85504084 in words is "eighty-five million, five hundred four thousand, eighty-four".

Divisors: 1 2 4 17 34 68 157 314 628 2669 5338 8009 10676 16018 32036 136153 272306 544612 1257413 2514826 5029652 21376021 42752042 85504084