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85593489 = 328531163
BaseRepresentation
bin1010001101000…
…00110110010001
312222001121012020
411012200312101
5133402442424
612254322053
72056350462
oct506406621
9188047166
1085593489
1144351723
12247b9329
131496b347
14b520d69
1577ab079
hex51a0d91

85593489 has 4 divisors (see below), whose sum is σ = 114124656. Its totient is φ = 57062324.

The previous prime is 85593481. The next prime is 85593491. The reversal of 85593489 is 98439558.

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 85593489 - 23 = 85593481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85593481) 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, 14265579 + ... + 14265584.

It is an arithmetic number, because the mean of its divisors is an integer number (28531164).

Almost surely, 285593489 is an apocalyptic number.

It is an amenable number.

85593489 is a deficient number, since it is larger than the sum of its proper divisors (28531167).

85593489 is a wasteful number, since it uses less digits than its factorization.

85593489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28531166.

The product of its digits is 1555200, while the sum is 51.

The square root of 85593489 is about 9251.6749294385. The cubic root of 85593489 is about 440.7039163113.

The spelling of 85593489 in words is "eighty-five million, five hundred ninety-three thousand, four hundred eighty-nine".

Divisors: 1 3 28531163 85593489