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85064850 = 233521337131
BaseRepresentation
bin1010001000111…
…11110010010010
312221001202001000
411010133302102
5133234033400
612235122430
72052016323
oct504376222
9187052030
1085064850
1144020532
12245a3416
1314814840
14b42444a
157704600
hex511fc92

85064850 has 192 divisors, whose sum is σ = 261233280. Its totient is φ = 20217600.

The previous prime is 85064849. The next prime is 85064851. The reversal of 85064850 is 5846058.

It is a happy number.

85064850 is a `hidden beast` number, since 8 + 5 + 0 + 648 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (85064849) and next prime (85064851).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85064851) 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 95 ways as a sum of consecutive naturals, for example, 649285 + ... + 649415.

It is an arithmetic number, because the mean of its divisors is an integer number (1360590).

Almost surely, 285064850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85064850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130616640).

85064850 is an abundant number, since it is smaller than the sum of its proper divisors (176168430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85064850 is a wasteful number, since it uses less digits than its factorization.

85064850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 85064850 is about 9223.0607717829. The cubic root of 85064850 is about 439.7947562046.

The spelling of 85064850 in words is "eighty-five million, sixty-four thousand, eight hundred fifty".