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85968810 = 2335318403
BaseRepresentation
bin1010001111111…
…00011110101010
312222202200001000
411013330132222
5134002000220
612310335430
72062502634
oct507743652
9188680030
1085968810
1144588704
122495a576
1314a70125
14b5bba54
157832390
hex51fc7aa

85968810 has 32 divisors (see below), whose sum is σ = 229250880. Its totient is φ = 22924944.

The previous prime is 85968793. The next prime is 85968823. The reversal of 85968810 is 1886958.

It is a super-2 number, since 2×859688102 = 14781272585632200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158932 + ... + 159471.

It is an arithmetic number, because the mean of its divisors is an integer number (7164090).

Almost surely, 285968810 is an apocalyptic number.

85968810 is an abundant number, since it is smaller than the sum of its proper divisors (143282070).

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

85968810 is a wasteful number, since it uses less digits than its factorization.

85968810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318419 (or 318413 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The square root of 85968810 is about 9271.9366908969. The cubic root of 85968810 is about 441.3471282358.

The spelling of 85968810 in words is "eighty-five million, nine hundred sixty-eight thousand, eight hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 318403 636806 955209 1592015 1910418 2865627 3184030 4776045 5731254 8596881 9552090 14328135 17193762 28656270 42984405 85968810