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83420084 = 221110091879
BaseRepresentation
bin1001111100011…
…10001110110100
312210222011211202
410332032032310
5132323420314
612135552032
72032026146
oct476161664
9183864752
1083420084
11430a7820
1223b2b618
1314389cc7
14b116c96
1574cc0de
hex4f8e3b4

83420084 has 24 divisors (see below), whose sum is σ = 159499200. Its totient is φ = 37860480.

The previous prime is 83420047. The next prime is 83420087. The reversal of 83420084 is 48002438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83420087) 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, 43457 + ... + 45335.

It is an arithmetic number, because the mean of its divisors is an integer number (6645800).

Almost surely, 283420084 is an apocalyptic number.

It is an amenable number.

83420084 is a deficient number, since it is larger than the sum of its proper divisors (76079116).

83420084 is a wasteful number, since it uses less digits than its factorization.

83420084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903 (or 2901 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 83420084 is about 9133.4595855021. The cubic root of 83420084 is about 436.9417471797.

The spelling of 83420084 in words is "eighty-three million, four hundred twenty thousand, eighty-four".

Divisors: 1 2 4 11 22 44 1009 1879 2018 3758 4036 7516 11099 20669 22198 41338 44396 82676 1895911 3791822 7583644 20855021 41710042 83420084