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85852973 = 471826659
BaseRepresentation
bin1010001111000…
…00001100101101
312222112210010202
411013200030231
5133434243343
612304043245
72061511133
oct507401455
9188483122
1085852973
1144509678
1224903525
1314a2c49b
14b58b753
15780cdb8
hex51e032d

85852973 has 4 divisors (see below), whose sum is σ = 87679680. Its totient is φ = 84026268.

The previous prime is 85852967. The next prime is 85852979. The reversal of 85852973 is 37925858.

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: 37925858 = 218962929.

It is an interprime number because it is at equal distance from previous prime (85852967) and next prime (85852979).

It is a cyclic number.

It is not a de Polignac number, because 85852973 - 214 = 85836589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 1826659 = 85852973 / (8 + 5 + 8 + 5 + 2 + 9 + 7 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85852979) 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, 913283 + ... + 913376.

It is an arithmetic number, because the mean of its divisors is an integer number (21919920).

Almost surely, 285852973 is an apocalyptic number.

It is an amenable number.

85852973 is a deficient number, since it is larger than the sum of its proper divisors (1826707).

85852973 is a wasteful number, since it uses less digits than its factorization.

85852973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826706.

The product of its digits is 604800, while the sum is 47.

The square root of 85852973 is about 9265.6879399211. The cubic root of 85852973 is about 441.1488109366.

The spelling of 85852973 in words is "eighty-five million, eight hundred fifty-two thousand, nine hundred seventy-three".

Divisors: 1 47 1826659 85852973