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85628353 = 127674239
BaseRepresentation
bin1010001101010…
…01010111000001
312222010101000111
411012221113001
5133410101403
612255151321
72056554226
oct506512701
9188111014
1085628353
1144375938
1224815541
1314981185
14b52d94d
1577b656d
hex51a95c1

85628353 has 4 divisors (see below), whose sum is σ = 86302720. Its totient is φ = 84953988.

The previous prime is 85628311. The next prime is 85628369. The reversal of 85628353 is 35382658.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35382658 = 217691329.

It is a cyclic number.

It is not a de Polignac number, because 85628353 - 225 = 52073921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85623353) 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, 336993 + ... + 337246.

It is an arithmetic number, because the mean of its divisors is an integer number (21575680).

Almost surely, 285628353 is an apocalyptic number.

It is an amenable number.

85628353 is a deficient number, since it is larger than the sum of its proper divisors (674367).

85628353 is a wasteful number, since it uses less digits than its factorization.

85628353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674366.

The product of its digits is 172800, while the sum is 40.

The square root of 85628353 is about 9253.5589369712. The cubic root of 85628353 is about 440.7637441318.

The spelling of 85628353 in words is "eighty-five million, six hundred twenty-eight thousand, three hundred fifty-three".

Divisors: 1 127 674239 85628353