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85789493 = 3124111483
BaseRepresentation
bin1010001110100…
…00101100110101
312222102120001122
411013100230311
5133430230433
612302433325
72061125066
oct507205465
9188376048
1085789493
1144475a09
1224892845
1314a0961a
14b57256d
1577e9198
hex51d0b35

85789493 has 8 divisors (see below), whose sum is σ = 88932096. Its totient is φ = 82670400.

The previous prime is 85789477. The next prime is 85789559. The reversal of 85789493 is 39498758.

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

It is a cyclic number.

It is not a de Polignac number, because 85789493 - 24 = 85789477 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 (85749493) 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, 1730 + ... + 13212.

It is an arithmetic number, because the mean of its divisors is an integer number (11116512).

Almost surely, 285789493 is an apocalyptic number.

It is an amenable number.

85789493 is a deficient number, since it is larger than the sum of its proper divisors (3142603).

85789493 is a wasteful number, since it uses less digits than its factorization.

85789493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11755.

The product of its digits is 2177280, while the sum is 53.

The square root of 85789493 is about 9262.2617648175. The cubic root of 85789493 is about 441.0400551164.

The spelling of 85789493 in words is "eighty-five million, seven hundred eighty-nine thousand, four hundred ninety-three".

Divisors: 1 31 241 7471 11483 355973 2767403 85789493