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85553386 = 289523919
BaseRepresentation
bin1010001100101…
…11000011101010
312221222120011221
411012113003222
5133400202021
612253412254
72056122532
oct506270352
9187876157
1085553386
1144324586
122479a08a
1314956009
14b5104c2
15779e241
hex51970ea

85553386 has 16 divisors (see below), whose sum is σ = 130161600. Its totient is φ = 42169248.

The previous prime is 85553381. The next prime is 85553387. The reversal of 85553386 is 68335558.

It is not an unprimeable number, because it can be changed into a prime (85553381) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 92635 + ... + 93553.

It is an arithmetic number, because the mean of its divisors is an integer number (8135100).

Almost surely, 285553386 is an apocalyptic number.

85553386 is a deficient number, since it is larger than the sum of its proper divisors (44608214).

85553386 is a wasteful number, since it uses less digits than its factorization.

85553386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533.

The product of its digits is 432000, while the sum is 43.

The square root of 85553386 is about 9249.5073382316. The cubic root of 85553386 is about 440.6350780922.

The spelling of 85553386 in words is "eighty-five million, five hundred fifty-three thousand, three hundred eighty-six".

Divisors: 1 2 89 178 523 919 1046 1838 46547 81791 93094 163582 480637 961274 42776693 85553386