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87422976 = 211341731
BaseRepresentation
bin1010011010111…
…11100000000000
320002111112210000
411031133200000
5134340013401
612401440000
72111040324
oct515374000
9202445700
1087422976
11453911a3
1225340000
131515bc94
14b879984
157a1d186
hex535f800

87422976 has 240 divisors, whose sum is σ = 285405120. Its totient is φ = 26542080.

The previous prime is 87422969. The next prime is 87422989. The reversal of 87422976 is 67922478.

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 2820081 + ... + 2820111.

It is an arithmetic number, because the mean of its divisors is an integer number (1189188).

Almost surely, 287422976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87422976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142702560).

87422976 is an abundant number, since it is smaller than the sum of its proper divisors (197982144).

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

87422976 is a wasteful number, since it uses less digits than its factorization.

87422976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 53 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 87422976 is about 9350.0254545108. The cubic root of 87422976 is about 443.8216961190.

The spelling of 87422976 in words is "eighty-seven million, four hundred twenty-two thousand, nine hundred seventy-six".