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84034938 = 23131077371
BaseRepresentation
bin1010000001001…
…00010101111010
312212010102021010
411000210111322
5133003104223
612201054350
72040166551
oct500442572
9185112233
1084034938
1143487769
12241873b6
1314543b20
14b236d98
15759e393
hex502457a

84034938 has 16 divisors (see below), whose sum is σ = 180998496. Its totient is φ = 25856880.

The previous prime is 84034933. The next prime is 84034949. The reversal of 84034938 is 83943048.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 84034896 and 84034905.

It is not an unprimeable number, because it can be changed into a prime (84034931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538608 + ... + 538763.

It is an arithmetic number, because the mean of its divisors is an integer number (11312406).

Almost surely, 284034938 is an apocalyptic number.

84034938 is an abundant number, since it is smaller than the sum of its proper divisors (96963558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84034938 is a wasteful number, since it uses less digits than its factorization.

84034938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077389.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 84034938 is about 9167.0572159227. The cubic root of 84034938 is about 438.0126244771.

It can be divided in two parts, 840 and 34938, that added together give a triangular number (35778 = T267).

The spelling of 84034938 in words is "eighty-four million, thirty-four thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 13 26 39 78 1077371 2154742 3232113 6464226 14005823 28011646 42017469 84034938