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85544353 = 139615427
BaseRepresentation
bin1010001100101…
…00110110100001
312221222002210101
411012110312201
5133344404403
612253302401
72056054306
oct506246641
9187862711
1085544353
1144318814
1224794a01
1314951b7b
14b50b0ad
15779b71d
hex5194da1

85544353 has 4 divisors (see below), whose sum is σ = 86159920. Its totient is φ = 84928788.

The previous prime is 85544351. The next prime is 85544363. The reversal of 85544353 is 35344558.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85544353 - 21 = 85544351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85544351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307575 + ... + 307852.

It is an arithmetic number, because the mean of its divisors is an integer number (21539980).

Almost surely, 285544353 is an apocalyptic number.

It is an amenable number.

85544353 is a deficient number, since it is larger than the sum of its proper divisors (615567).

85544353 is a wasteful number, since it uses less digits than its factorization.

85544353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615566.

The product of its digits is 144000, while the sum is 37.

The square root of 85544353 is about 9249.0190290646. The cubic root of 85544353 is about 440.6195696596.

The spelling of 85544353 in words is "eighty-five million, five hundred forty-four thousand, three hundred fifty-three".

Divisors: 1 139 615427 85544353