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54005983 = 96755849
BaseRepresentation
bin1100111000000…
…1000011011111
310202121210021121
43032001003133
5102311142413
65205311411
71224020563
oct316010337
9122553247
1054005983
1128537549
1216105567
13b25b905
14725b6a3
154b1bb8d
hex33810df

54005983 has 4 divisors (see below), whose sum is σ = 54062800. Its totient is φ = 53949168.

The previous prime is 54005971. The next prime is 54006019. The reversal of 54005983 is 38950045.

54005983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54005983 - 25 = 54005951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54005183) by changing a digit.

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, 26958 + ... + 28891.

It is an arithmetic number, because the mean of its divisors is an integer number (13515700).

Almost surely, 254005983 is an apocalyptic number.

54005983 is a deficient number, since it is larger than the sum of its proper divisors (56817).

54005983 is an equidigital number, since it uses as much as digits as its factorization.

54005983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56816.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 54005983 is about 7348.8763086611. The cubic root of 54005983 is about 377.9902739115.

The spelling of 54005983 in words is "fifty-four million, five thousand, nine hundred eighty-three".

Divisors: 1 967 55849 54005983