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85374843 = 336777543
BaseRepresentation
bin1010001011010…
…11011101111011
312221122111021020
411011223131323
5133323443333
612245513523
72054450151
oct505533573
9187574236
1085374843
1144212424
12247128a3
13148c2978
14b4a53d1
1577663b3
hex516b77b

85374843 has 8 divisors (see below), whose sum is σ = 114144768. Its totient is φ = 56760744.

The previous prime is 85374769. The next prime is 85374857. The reversal of 85374843 is 34847358.

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

It is not a de Polignac number, because 85374843 - 210 = 85373819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85374795 and 85374804.

It is not an unprimeable number, because it can be changed into a prime (85374893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37671 + ... + 39872.

It is an arithmetic number, because the mean of its divisors is an integer number (14268096).

Almost surely, 285374843 is an apocalyptic number.

85374843 is a deficient number, since it is larger than the sum of its proper divisors (28769925).

85374843 is a wasteful number, since it uses less digits than its factorization.

85374843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77913.

The product of its digits is 322560, while the sum is 42.

The square root of 85374843 is about 9239.8508104839. The cubic root of 85374843 is about 440.3283413533.

The spelling of 85374843 in words is "eighty-five million, three hundred seventy-four thousand, eight hundred forty-three".

Divisors: 1 3 367 1101 77543 232629 28458281 85374843