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85855337 = 312769527
BaseRepresentation
bin1010001111000…
…00110001101001
312222112220101022
411013200301221
5133434332322
612304102225
72061521051
oct507406151
9188486338
1085855337
1144510427
1224904975
1314a30599
14b58c561
15780d942
hex51e0c69

85855337 has 4 divisors (see below), whose sum is σ = 88624896. Its totient is φ = 83085780.

The previous prime is 85855333. The next prime is 85855349. The reversal of 85855337 is 73355858.

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 85855337 - 22 = 85855333 is a prime.

It is a super-2 number, since 2×858553372 = 14742277782767138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85855331) 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, 1384733 + ... + 1384794.

It is an arithmetic number, because the mean of its divisors is an integer number (22156224).

Almost surely, 285855337 is an apocalyptic number.

It is an amenable number.

85855337 is a deficient number, since it is larger than the sum of its proper divisors (2769559).

85855337 is a wasteful number, since it uses less digits than its factorization.

85855337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2769558.

The product of its digits is 504000, while the sum is 44.

The square root of 85855337 is about 9265.8155064732. The cubic root of 85855337 is about 441.1528599760.

The spelling of 85855337 in words is "eighty-five million, eight hundred fifty-five thousand, three hundred thirty-seven".

Divisors: 1 31 2769527 85855337