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84040383 = 3710139623
BaseRepresentation
bin1010000001001…
…01101010111111
312212010200201210
411000211222333
5133003243013
612201135503
72040221460
oct500455277
9185120653
1084040383
1143490869
122418a593
131454644b
14b238d67
1575a0cc3
hex5025abf

84040383 has 16 divisors (see below), whose sum is σ = 129332736. Its totient is φ = 47546400.

The previous prime is 84040381. The next prime is 84040387. The reversal of 84040383 is 38304048.

It is not a de Polignac number, because 84040383 - 21 = 84040381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84040383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84040381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17691 + ... + 21932.

It is an arithmetic number, because the mean of its divisors is an integer number (8083296).

Almost surely, 284040383 is an apocalyptic number.

84040383 is a deficient number, since it is larger than the sum of its proper divisors (45292353).

84040383 is a wasteful number, since it uses less digits than its factorization.

84040383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39734.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 84040383 is about 9167.3541984588. The cubic root of 84040383 is about 438.0220845394.

The spelling of 84040383 in words is "eighty-four million, forty thousand, three hundred eighty-three".

Divisors: 1 3 7 21 101 303 707 2121 39623 118869 277361 832083 4001923 12005769 28013461 84040383