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84374660 = 2254218733
BaseRepresentation
bin1010000011101…
…11010010000100
312212202200021102
411001313102010
5133044442120
612212235232
72043113156
oct501672204
9185680242
1084374660
1143699a27
122430bb18
1314632646
14b2c4ad6
157619d75
hex5077484

84374660 has 12 divisors (see below), whose sum is σ = 177186828. Its totient is φ = 33749856.

The previous prime is 84374657. The next prime is 84374681. The reversal of 84374660 is 6647348.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 32649796 + 51724864 = 5714^2 + 7192^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2109347 + ... + 2109386.

It is an arithmetic number, because the mean of its divisors is an integer number (14765569).

Almost surely, 284374660 is an apocalyptic number.

It is an amenable number.

84374660 is an abundant number, since it is smaller than the sum of its proper divisors (92812168).

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

84374660 is a wasteful number, since it uses less digits than its factorization.

84374660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218742 (or 4218740 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 84374660 is about 9185.5680281624. The cubic root of 84374660 is about 438.6020715957.

The spelling of 84374660 in words is "eighty-four million, three hundred seventy-four thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 4218733 8437466 16874932 21093665 42187330 84374660