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85944128 = 261342877
BaseRepresentation
bin1010001111101…
…10011101000000
312222201102011212
411013312131000
5134000203003
612310025252
72062340654
oct507663500
9188642155
1085944128
1144571106
1224948228
1314a61b1a
14b5b2a64
157829dd8
hex51f6740

85944128 has 14 divisors (see below), whose sum is σ = 170545506. Its totient is φ = 42972032.

The previous prime is 85944113. The next prime is 85944167. The reversal of 85944128 is 82144958.

It can be written as a sum of positive squares in only one way, i.e., 72046144 + 13897984 = 8488^2 + 3728^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 671375 + ... + 671502.

Almost surely, 285944128 is an apocalyptic number.

It is an amenable number.

85944128 is a deficient number, since it is larger than the sum of its proper divisors (84601378).

85944128 is a wasteful number, since it uses less digits than its factorization.

85944128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342889 (or 1342879 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The square root of 85944128 is about 9270.6055897120. The cubic root of 85944128 is about 441.3048866659.

The spelling of 85944128 in words is "eighty-five million, nine hundred forty-four thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 16 32 64 1342877 2685754 5371508 10743016 21486032 42972064 85944128