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85396064 = 25131031993
BaseRepresentation
bin1010001011100…
…00101001100000
312221200120101012
411011300221200
5133330133224
612250200052
72054566055
oct505605140
9187616335
1085396064
1144227366
1224723028
13148cc520
14b4ad02c
15776c80e
hex5170a60

85396064 has 48 divisors (see below), whose sum is σ = 182905632. Its totient is φ = 39011328.

The previous prime is 85396063. The next prime is 85396093. The reversal of 85396064 is 46069358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85396063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41852 + ... + 43844.

It is an arithmetic number, because the mean of its divisors is an integer number (3810534).

Almost surely, 285396064 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 85396064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91452816).

85396064 is an abundant number, since it is smaller than the sum of its proper divisors (97509568).

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

85396064 is a wasteful number, since it uses less digits than its factorization.

85396064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119 (or 2111 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 85396064 is about 9240.9990801861. Note that the first 3 decimals coincide. The cubic root of 85396064 is about 440.3648213955.

The spelling of 85396064 in words is "eighty-five million, three hundred ninety-six thousand, sixty-four".

Divisors: 1 2 4 8 13 16 26 32 52 103 104 206 208 412 416 824 1339 1648 1993 2678 3296 3986 5356 7972 10712 15944 21424 25909 31888 42848 51818 63776 103636 205279 207272 410558 414544 821116 829088 1642232 2668627 3284464 5337254 6568928 10674508 21349016 42698032 85396064