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85547077 = 7111765353
BaseRepresentation
bin1010001100101…
…01100001000101
312221222020112021
411012111201011
5133400001302
612253323141
72056065250
oct506254105
9187866467
1085547077
114431a870
12247964b1
1314953195
14b50c097
15779c437
hex5195845

85547077 has 16 divisors (see below), whose sum is σ = 112931712. Its totient is φ = 62737920.

The previous prime is 85547069. The next prime is 85547083. The reversal of 85547077 is 77074558.

It is not a de Polignac number, because 85547077 - 23 = 85547069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85547017) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 31368 + ... + 33985.

It is an arithmetic number, because the mean of its divisors is an integer number (7058232).

Almost surely, 285547077 is an apocalyptic number.

It is an amenable number.

85547077 is a deficient number, since it is larger than the sum of its proper divisors (27384635).

85547077 is a wasteful number, since it uses less digits than its factorization.

85547077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65388.

The product of its (nonzero) digits is 274400, while the sum is 43.

The square root of 85547077 is about 9249.1662867526. The cubic root of 85547077 is about 440.6242465121.

The spelling of 85547077 in words is "eighty-five million, five hundred forty-seven thousand, seventy-seven".

Divisors: 1 7 11 17 77 119 187 1309 65353 457471 718883 1111001 5032181 7777007 12221011 85547077