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47982320 = 245599779
BaseRepresentation
bin1011011100001…
…0011011110000
310100021202100222
42313002123300
544240413240
64432232212
71121562101
oct267023360
9110252328
1047982320
11250a2911
121409b668
139c2cc09
1465303a8
15432beb5
hex2dc26f0

47982320 has 20 divisors (see below), whose sum is σ = 111559080. Its totient is φ = 19192896.

The previous prime is 47982307. The next prime is 47982359. The reversal of 47982320 is 2328974.

47982320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299810 + ... + 299969.

It is an arithmetic number, because the mean of its divisors is an integer number (5577954).

Almost surely, 247982320 is an apocalyptic number.

47982320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47982320 is an abundant number, since it is smaller than the sum of its proper divisors (63576760).

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

47982320 is a wasteful number, since it uses less digits than its factorization.

47982320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599792 (or 599786 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 47982320 is about 6926.9271686658. The cubic root of 47982320 is about 363.3794926812.

The spelling of 47982320 in words is "forty-seven million, nine hundred eighty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 599779 1199558 2399116 2998895 4798232 5997790 9596464 11995580 23991160 47982320