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84380382 = 2324687799
BaseRepresentation
bin1010000011110…
…00101011011110
312212202222010100
411001320223132
5133100133012
612212321530
72043135642
oct501705336
9185688110
1084380382
11436a3259
12243132a6
1314635128
14b2c6c22
15761b8dc
hex5078ade

84380382 has 12 divisors (see below), whose sum is σ = 182824200. Its totient is φ = 28126788.

The previous prime is 84380371. The next prime is 84380383. The reversal of 84380382 is 28308348.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84380383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2343882 + ... + 2343917.

It is an arithmetic number, because the mean of its divisors is an integer number (15235350).

Almost surely, 284380382 is an apocalyptic number.

84380382 is an abundant number, since it is smaller than the sum of its proper divisors (98443818).

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

84380382 is a wasteful number, since it uses less digits than its factorization.

84380382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4687807 (or 4687804 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 84380382 is about 9185.8794897386. The cubic root of 84380382 is about 438.6119862009.

It can be divided in two parts, 843 and 80382, that added together give a square (81225 = 2852).

The spelling of 84380382 in words is "eighty-four million, three hundred eighty thousand, three hundred eighty-two".

Divisors: 1 2 3 6 9 18 4687799 9375598 14063397 28126794 42190191 84380382