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85935421 = 1113600947
BaseRepresentation
bin1010001111101…
…00010100111101
312222200222020101
411013310110331
5133444413141
612305521101
72062303405
oct507642475
9188628211
1085935421
1144565610
1224943191
1314a5ab80
14b5ad805
157827531
hex51f453d

85935421 has 8 divisors (see below), whose sum is σ = 100959264. Its totient is φ = 72113520.

The previous prime is 85935413. The next prime is 85935431. The reversal of 85935421 is 12453958.

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 85935421 - 23 = 85935413 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 (85935431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300331 + ... + 300616.

It is an arithmetic number, because the mean of its divisors is an integer number (12619908).

Almost surely, 285935421 is an apocalyptic number.

It is an amenable number.

85935421 is a deficient number, since it is larger than the sum of its proper divisors (15023843).

85935421 is a wasteful number, since it uses less digits than its factorization.

85935421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600971.

The product of its digits is 43200, while the sum is 37.

The square root of 85935421 is about 9270.1359752703. The cubic root of 85935421 is about 441.2899832959.

The spelling of 85935421 in words is "eighty-five million, nine hundred thirty-five thousand, four hundred twenty-one".

Divisors: 1 11 13 143 600947 6610417 7812311 85935421