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8252983 = 13196257
BaseRepresentation
bin11111011110111000110111
3120112021222001
4133132320313
54103043413
6452520131
7130102114
oct37367067
916467861
108252983
114727652
122920047
13192c62b
14114b90b
15ad04dd
hex7dee37

8252983 has 4 divisors (see below), whose sum is σ = 8260560. Its totient is φ = 8245408.

The previous prime is 8252977. The next prime is 8252989. The reversal of 8252983 is 3892528.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (8252977) and next prime (8252989).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8252983 is a prime.

It is a super-2 number, since 2×82529832 = 136223456796578, which contains 22 as substring.

It is a Duffinian number.

8252983 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8252989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1810 + ... + 4447.

It is an arithmetic number, because the mean of its divisors is an integer number (2065140).

Almost surely, 28252983 is an apocalyptic number.

8252983 is a deficient number, since it is larger than the sum of its proper divisors (7577).

8252983 is a wasteful number, since it uses less digits than its factorization.

8252983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7576.

The product of its digits is 34560, while the sum is 37.

The square root of 8252983 is about 2872.8005499860. The cubic root of 8252983 is about 202.0863516702.

The spelling of 8252983 in words is "eight million, two hundred fifty-two thousand, nine hundred eighty-three".

Divisors: 1 1319 6257 8252983