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83520827 = 1319338141
BaseRepresentation
bin1001111101001…
…10110100111011
312211011022000222
410332212310323
5132340131302
612142050255
72032625645
oct476466473
9184138028
1083520827
1143166485
1223b7998b
13143c3b10
14b141895
1574ebda2
hex4fa6d3b

83520827 has 8 divisors (see below), whose sum is σ = 94679760. Its totient is φ = 73038240.

The previous prime is 83520823. The next prime is 83520887. The reversal of 83520827 is 72802538.

It is a happy number.

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 83520827 - 22 = 83520823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83520823) 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 7 ways as a sum of consecutive naturals, for example, 168824 + ... + 169317.

It is an arithmetic number, because the mean of its divisors is an integer number (11834970).

Almost surely, 283520827 is an apocalyptic number.

83520827 is a deficient number, since it is larger than the sum of its proper divisors (11158933).

83520827 is a wasteful number, since it uses less digits than its factorization.

83520827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338173.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 83520827 is about 9138.9729729330. The cubic root of 83520827 is about 437.1175686058.

The spelling of 83520827 in words is "eighty-three million, five hundred twenty thousand, eight hundred twenty-seven".

Divisors: 1 13 19 247 338141 4395833 6424679 83520827