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85628941 = 206341507
BaseRepresentation
bin1010001101010…
…01100000001101
312222010101211021
411012221200031
5133410111231
612255154141
72056556026
oct506514015
9188111737
1085628941
1144376322
1224815951
1314981518
14b52dc4d
1577b6811
hex51a980d

85628941 has 4 divisors (see below), whose sum is σ = 85672512. Its totient is φ = 85585372.

The previous prime is 85628903. The next prime is 85628999. The reversal of 85628941 is 14982658.

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.

It is a cyclic number.

It is not a de Polignac number, because 85628941 - 29 = 85628429 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 (85628441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18691 + ... + 22816.

It is an arithmetic number, because the mean of its divisors is an integer number (21418128).

Almost surely, 285628941 is an apocalyptic number.

It is an amenable number.

85628941 is a deficient number, since it is larger than the sum of its proper divisors (43571).

85628941 is a wasteful number, since it uses less digits than its factorization.

85628941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43570.

The product of its digits is 138240, while the sum is 43.

The square root of 85628941 is about 9253.5907084764. The cubic root of 85628941 is about 440.7647530208.

The spelling of 85628941 in words is "eighty-five million, six hundred twenty-eight thousand, nine hundred forty-one".

Divisors: 1 2063 41507 85628941