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83027233 = 288728759
BaseRepresentation
bin1001111001011…
…10010100100001
312210020012221201
410330232110201
5132223332413
612123321201
72025501622
oct474562441
9183205851
1083027233
1142959653
1223980201
1314280253
14b053a49
1574509dd
hex4f2e521

83027233 has 4 divisors (see below), whose sum is σ = 83058880. Its totient is φ = 82995588.

The previous prime is 83027227. The next prime is 83027251. The reversal of 83027233 is 33272038.

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: 33272038 = 216636019.

It is a cyclic number.

It is not a de Polignac number, because 83027233 - 29 = 83026721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83027213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11493 + ... + 17266.

It is an arithmetic number, because the mean of its divisors is an integer number (20764720).

Almost surely, 283027233 is an apocalyptic number.

It is an amenable number.

83027233 is a deficient number, since it is larger than the sum of its proper divisors (31647).

83027233 is a wasteful number, since it uses less digits than its factorization.

83027233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31646.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 83027233 is about 9111.9280616124. The cubic root of 83027233 is about 436.2547696679.

The spelling of 83027233 in words is "eighty-three million, twenty-seven thousand, two hundred thirty-three".

Divisors: 1 2887 28759 83027233