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85473742 = 2192249309
BaseRepresentation
bin1010001100000…
…11100111001110
312221211111221011
411012003213032
5133340124432
612251555434
72055341404
oct506034716
9187744834
1085473742
114427a762
122475bb7a
13149289a3
14b4cd474
157785847
hex51839ce

85473742 has 8 divisors (see below), whose sum is σ = 134958600. Its totient is φ = 40487544.

The previous prime is 85473733. The next prime is 85473743. The reversal of 85473742 is 24737458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 85473695 and 85473704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85473743) 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 3 ways as a sum of consecutive naturals, for example, 1124617 + ... + 1124692.

It is an arithmetic number, because the mean of its divisors is an integer number (16869825).

Almost surely, 285473742 is an apocalyptic number.

85473742 is a deficient number, since it is larger than the sum of its proper divisors (49484858).

85473742 is a wasteful number, since it uses less digits than its factorization.

85473742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249330.

The product of its digits is 188160, while the sum is 40.

The square root of 85473742 is about 9245.2010253969. The cubic root of 85473742 is about 440.4983025364.

The spelling of 85473742 in words is "eighty-five million, four hundred seventy-three thousand, seven hundred forty-two".

Divisors: 1 2 19 38 2249309 4498618 42736871 85473742