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85228636 = 22169912541
BaseRepresentation
bin1010001010001…
…11110001011100
312221101001201011
411011013301130
5133304304021
612242425004
72053300663
oct505076134
9187331634
1085228636
1144122599
1224662164
131487125c
14b467dda
157737de1
hex5147c5c

85228636 has 12 divisors (see below), whose sum is σ = 149249800. Its totient is φ = 42585840.

The previous prime is 85228573. The next prime is 85228657. The reversal of 85228636 is 63682258.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 526 + ... + 13066.

Almost surely, 285228636 is an apocalyptic number.

It is an amenable number.

85228636 is a deficient number, since it is larger than the sum of its proper divisors (64021164).

85228636 is a wasteful number, since it uses less digits than its factorization.

85228636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14244 (or 14242 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 85228636 is about 9231.9356583546. The cubic root of 85228636 is about 440.0768391975.

The spelling of 85228636 in words is "eighty-five million, two hundred twenty-eight thousand, six hundred thirty-six".

Divisors: 1 2 4 1699 3398 6796 12541 25082 50164 21307159 42614318 85228636