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83814065 = 5371792531
BaseRepresentation
bin1001111111011…
…10011010110001
312211201012021122
410333232122301
5132424022230
612152232025
72035256606
oct477563261
9184635248
1083814065
1143346825
122409b615
131449742a
14b1ba6ad
157558be5
hex4fee6b1

83814065 has 16 divisors (see below), whose sum is σ = 103913280. Its totient is φ = 64848960.

The previous prime is 83814037. The next prime is 83814077. The reversal of 83814065 is 56041838.

It is not a de Polignac number, because 83814065 - 28 = 83813809 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 31850 + ... + 34380.

It is an arithmetic number, because the mean of its divisors is an integer number (6494580).

Almost surely, 283814065 is an apocalyptic number.

It is an amenable number.

83814065 is a deficient number, since it is larger than the sum of its proper divisors (20099215).

83814065 is a wasteful number, since it uses less digits than its factorization.

83814065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 83814065 is about 9155.0021845983. The cubic root of 83814065 is about 437.6285380140.

The spelling of 83814065 in words is "eighty-three million, eight hundred fourteen thousand, sixty-five".

Divisors: 1 5 37 179 185 895 2531 6623 12655 33115 93647 453049 468235 2265245 16762813 83814065