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84522380 = 22521120029
BaseRepresentation
bin1010000100110…
…11010110001100
312220001011220112
411002123112030
5133114204010
612215335152
72044266635
oct502332614
9186034815
1084522380
114378aa08
12243814b8
1314684957
14b32288c
157648a05
hex509b58c

84522380 has 24 divisors (see below), whose sum is σ = 178347120. Its totient is φ = 33647040.

The previous prime is 84522377. The next prime is 84522409. The reversal of 84522380 is 8322548.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5795 + ... + 14234.

It is an arithmetic number, because the mean of its divisors is an integer number (7431130).

Almost surely, 284522380 is an apocalyptic number.

It is an amenable number.

84522380 is an abundant number, since it is smaller than the sum of its proper divisors (93824740).

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

84522380 is a wasteful number, since it uses less digits than its factorization.

84522380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20249 (or 20247 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 84522380 is about 9193.6053863541. The cubic root of 84522380 is about 438.8578850668.

The spelling of 84522380 in words is "eighty-four million, five hundred twenty-two thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 211 422 844 1055 2110 4220 20029 40058 80116 100145 200290 400580 4226119 8452238 16904476 21130595 42261190 84522380