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85545134 = 242772567
BaseRepresentation
bin1010001100101…
…01000010101110
312221222010212022
411012111002232
5133344421014
612253310142
72056056503
oct506250256
9187863768
1085545134
1144319364
1224795352
131495232c
14b50b4aa
15779ba8e
hex51950ae

85545134 has 4 divisors (see below), whose sum is σ = 128317704. Its totient is φ = 42772566.

The previous prime is 85545113. The next prime is 85545137. The reversal of 85545134 is 43154558.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43154558 = 221577279.

It is a junction number, because it is equal to n+sod(n) for n = 85545094 and 85545103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85545137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21386282 + ... + 21386285.

It is an arithmetic number, because the mean of its divisors is an integer number (32079426).

Almost surely, 285545134 is an apocalyptic number.

85545134 is a deficient number, since it is larger than the sum of its proper divisors (42772570).

85545134 is a wasteful number, since it uses less digits than its factorization.

85545134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42772569.

The product of its digits is 48000, while the sum is 35.

The square root of 85545134 is about 9249.0612496620. The cubic root of 85545134 is about 440.6209105735.

The spelling of 85545134 in words is "eighty-five million, five hundred forty-five thousand, one hundred thirty-four".

Divisors: 1 2 42772567 85545134