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83980327 = 331253717
BaseRepresentation
bin1010000000101…
…11000000100111
312212000122100111
411000113000213
5132444332302
612155553451
72036551414
oct500270047
9185018314
1083980327
114344a732
122415b887
1314525002
14b22110b
15758d0d7
hex5017027

83980327 has 4 divisors (see below), whose sum is σ = 84234376. Its totient is φ = 83726280.

The previous prime is 83980297. The next prime is 83980331. The reversal of 83980327 is 72308938.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-83980327 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83980327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83980427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126528 + ... + 127189.

It is an arithmetic number, because the mean of its divisors is an integer number (21058594).

Almost surely, 283980327 is an apocalyptic number.

83980327 is a deficient number, since it is larger than the sum of its proper divisors (254049).

83980327 is a wasteful number, since it uses less digits than its factorization.

83980327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254048.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 83980327 is about 9164.0780769262. The cubic root of 83980327 is about 437.9177215257.

The spelling of 83980327 in words is "eighty-three million, nine hundred eighty thousand, three hundred twenty-seven".

Divisors: 1 331 253717 83980327