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8393980 = 225759957
BaseRepresentation
bin100000000001…
…010011111100
3120210110101011
4200001103330
54122101410
6455525004
7131230150
oct40012374
916713334
108393980
114813581
122989764
13197b86a
141187060
15b0c18a
hex8014fc

8393980 has 24 divisors (see below), whose sum is σ = 20145888. Its totient is φ = 2877888.

The previous prime is 8393977. The next prime is 8393993. The reversal of 8393980 is 893938.

It is a congruent number.

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, 29839 + ... + 30118.

It is an arithmetic number, because the mean of its divisors is an integer number (839412).

Almost surely, 28393980 is an apocalyptic number.

It is an amenable number.

8393980 is an abundant number, since it is smaller than the sum of its proper divisors (11751908).

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

8393980 is a wasteful number, since it uses less digits than its factorization.

8393980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59973 (or 59971 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 8393980 is about 2897.2366144311. The cubic root of 8393980 is about 203.2306985984.

The spelling of 8393980 in words is "eight million, three hundred ninety-three thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 59957 119914 239828 299785 419699 599570 839398 1199140 1678796 2098495 4196990 8393980