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85863250 = 2531131223
BaseRepresentation
bin1010001111000…
…10101101010010
312222120022020101
411013202231102
5133440111000
612304203014
72061553114
oct507425522
9188508211
1085863250
1144516370
122490946a
1314a34075
14b5913b4
157810e6a
hex51e2b52

85863250 has 32 divisors (see below), whose sum is σ = 175353984. Its totient is φ = 31222000.

The previous prime is 85863241. The next prime is 85863259. The reversal of 85863250 is 5236858.

It is an interprime number because it is at equal distance from previous prime (85863241) and next prime (85863259).

It is not an unprimeable number, because it can be changed into a prime (85863259) 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 15 ways as a sum of consecutive naturals, for example, 12862 + ... + 18361.

It is an arithmetic number, because the mean of its divisors is an integer number (5479812).

Almost surely, 285863250 is an apocalyptic number.

85863250 is an abundant number, since it is smaller than the sum of its proper divisors (89490734).

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

85863250 is a wasteful number, since it uses less digits than its factorization.

85863250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31251 (or 31241 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 85863250 is about 9266.2424962873. The cubic root of 85863250 is about 441.1664127555.

The spelling of 85863250 in words is "eighty-five million, eight hundred sixty-three thousand, two hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 125 250 275 550 1375 2750 31223 62446 156115 312230 343453 686906 780575 1561150 1717265 3434530 3902875 7805750 8586325 17172650 42931625 85863250