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85017976 = 2310627247
BaseRepresentation
bin1010001000101…
…00010101111000
312220222100201221
411010110111320
5133231033401
612234121424
72051432551
oct504242570
9186870657
1085017976
1143a9929a
1224580274
13147c93c4
14b411328
1576e57a1
hex5114578

85017976 has 8 divisors (see below), whose sum is σ = 159408720. Its totient is φ = 42508984.

The previous prime is 85017949. The next prime is 85018039. The reversal of 85017976 is 67971058.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5313616 + ... + 5313631.

It is an arithmetic number, because the mean of its divisors is an integer number (19926090).

Almost surely, 285017976 is an apocalyptic number.

It is an amenable number.

85017976 is a deficient number, since it is larger than the sum of its proper divisors (74390744).

85017976 is a wasteful number, since it uses less digits than its factorization.

85017976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10627253 (or 10627249 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 85017976 is about 9220.5192912330. The cubic root of 85017976 is about 439.7139600939.

The spelling of 85017976 in words is "eighty-five million, seventeen thousand, nine hundred seventy-six".

Divisors: 1 2 4 8 10627247 21254494 42508988 85017976