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83238897 = 373411973
BaseRepresentation
bin1001111011000…
…01111111110001
312210121222022010
410331201333301
5132302121042
612132033133
72030343000
oct475417761
9183558263
1083238897
1142a93685
1223a627a9
13143256b1
14b0aac37
15749359c
hex4f61ff1

83238897 has 32 divisors (see below), whose sum is σ = 132652800. Its totient is φ = 46381440.

The previous prime is 83238893. The next prime is 83238913. The reversal of 83238897 is 79883238.

It is not a de Polignac number, because 83238897 - 22 = 83238893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83238893) 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 31 ways as a sum of consecutive naturals, for example, 41203 + ... + 43175.

It is an arithmetic number, because the mean of its divisors is an integer number (4145400).

Almost surely, 283238897 is an apocalyptic number.

It is an amenable number.

83238897 is a deficient number, since it is larger than the sum of its proper divisors (49413903).

83238897 is a wasteful number, since it uses less digits than its factorization.

83238897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038 (or 2024 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 83238897 is about 9123.5353345071. The cubic root of 83238897 is about 436.6251745307.

The spelling of 83238897 in words is "eighty-three million, two hundred thirty-eight thousand, eight hundred ninety-seven".

Divisors: 1 3 7 21 41 49 123 147 287 343 861 1029 1973 2009 5919 6027 13811 14063 41433 42189 80893 96677 242679 290031 566251 676739 1698753 2030217 3963757 11891271 27746299 83238897