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54005863 = 232348081
BaseRepresentation
bin1100111000000…
…1000001100111
310202121210010011
43032001001213
5102311141423
65205311051
71224020332
oct316010147
9122553104
1054005863
112853744a
1216105487
13b25b842
14725b619
154b1bb0d
hex3381067

54005863 has 4 divisors (see below), whose sum is σ = 56353968. Its totient is φ = 51657760.

The previous prime is 54005851. The next prime is 54005873. The reversal of 54005863 is 36850045.

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 54005863 - 29 = 54005351 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54005803) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1174018 + ... + 1174063.

It is an arithmetic number, because the mean of its divisors is an integer number (14088492).

Almost surely, 254005863 is an apocalyptic number.

54005863 is a deficient number, since it is larger than the sum of its proper divisors (2348105).

54005863 is a wasteful number, since it uses less digits than its factorization.

54005863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348104.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 54005863 is about 7348.8681441430. The cubic root of 54005863 is about 377.9899939496.

The spelling of 54005863 in words is "fifty-four million, five thousand, eight hundred sixty-three".

Divisors: 1 23 2348081 54005863