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84396960 = 25325294347
BaseRepresentation
bin1010000011111…
…00101110100000
312212210210212100
411001330232200
5133101200320
612212530400
72043235164
oct501745640
9185723770
1084396960
114370475a
1224320a00
131463c83b
14b2ccca4
157621790
hex507cba0

84396960 has 288 divisors, whose sum is σ = 311351040. Its totient is φ = 20772864.

The previous prime is 84396947. The next prime is 84396997. The reversal of 84396960 is 6969348.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1795657 + ... + 1795703.

It is an arithmetic number, because the mean of its divisors is an integer number (1081080).

Almost surely, 284396960 is an apocalyptic number.

84396960 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84396960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155675520).

84396960 is an abundant number, since it is smaller than the sum of its proper divisors (226954080).

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

84396960 is a wasteful number, since it uses less digits than its factorization.

84396960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 84396960 is about 9186.7818086640. The cubic root of 84396960 is about 438.6407086488.

The spelling of 84396960 in words is "eighty-four million, three hundred ninety-six thousand, nine hundred sixty".