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85464064 = 210711923
BaseRepresentation
bin1010001100000…
…01010000000000
312221211000122201
411012001100000
5133334322224
612251442544
72055301240
oct506012000
9187730581
1085464064
1144273464
1224756454
131492446a
14b4c9b20
157782a44
hex5181400

85464064 has 44 divisors (see below), whose sum is σ = 195267424. Its totient is φ = 36624384.

The previous prime is 85464053. The next prime is 85464077. The reversal of 85464064 is 46046458.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1207 + ... + 13129.

It is an arithmetic number, because the mean of its divisors is an integer number (4437896).

Almost surely, 285464064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85464064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97633712).

85464064 is an abundant number, since it is smaller than the sum of its proper divisors (109803360).

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

85464064 is a wasteful number, since it uses less digits than its factorization.

85464064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11950 (or 11932 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 85464064 is about 9244.6776038973. The cubic root of 85464064 is about 440.4816763641.

The spelling of 85464064 in words is "eighty-five million, four hundred sixty-four thousand, sixty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 512 896 1024 1792 3584 7168 11923 23846 47692 83461 95384 166922 190768 333844 381536 667688 763072 1335376 1526144 2670752 3052288 5341504 6104576 10683008 12209152 21366016 42732032 85464064