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83936243 = 198635119
BaseRepresentation
bin1010000000011…
…00001111110011
312211221101212202
411000030033303
5132441424433
612155013415
72036306036
oct500141763
9184841782
1083936243
114341a5a6
122413a26b
131450ac21
14b20d01d
15757eee8
hex500c3f3

83936243 has 8 divisors (see below), whose sum is σ = 88473600. Its totient is φ = 79410888.

The previous prime is 83936231. The next prime is 83936249. The reversal of 83936243 is 34263938.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83936243 - 210 = 83935219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83936197 and 83936206.

It is not an unprimeable number, because it can be changed into a prime (83936249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13838 + ... + 18956.

It is an arithmetic number, because the mean of its divisors is an integer number (11059200).

Almost surely, 283936243 is an apocalyptic number.

83936243 is a deficient number, since it is larger than the sum of its proper divisors (4537357).

83936243 is a wasteful number, since it uses less digits than its factorization.

83936243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6001.

The product of its digits is 93312, while the sum is 38.

The square root of 83936243 is about 9161.6725001497. The cubic root of 83936243 is about 437.8410823711.

The spelling of 83936243 in words is "eighty-three million, nine hundred thirty-six thousand, two hundred forty-three".

Divisors: 1 19 863 5119 16397 97261 4417697 83936243