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85008260 = 2256763439
BaseRepresentation
bin1010001000100…
…01111110000100
312220221212102002
411010101332010
5133230231020
612234004432
72051362331
oct504217604
9186855362
1085008260
1143a91a67
1224576718
13147c4b5c
14b40b988
1576e2975
hex5111f84

85008260 has 24 divisors (see below), whose sum is σ = 181184640. Its totient is φ = 33495264.

The previous prime is 85008247. The next prime is 85008263. The reversal of 85008260 is 6280058.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (85008263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30380 + ... + 33059.

It is an arithmetic number, because the mean of its divisors is an integer number (7549360).

Almost surely, 285008260 is an apocalyptic number.

It is an amenable number.

85008260 is an abundant number, since it is smaller than the sum of its proper divisors (96176380).

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

85008260 is a wasteful number, since it uses less digits than its factorization.

85008260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63515 (or 63513 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 85008260 is about 9219.9924078060. The cubic root of 85008260 is about 439.6972090341.

The spelling of 85008260 in words is "eighty-five million, eight thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 63439 126878 253756 317195 634390 1268780 4250413 8500826 17001652 21252065 42504130 85008260