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54128023 = 376714369
BaseRepresentation
bin1100111001111…
…0110110010111
310202211222200121
43032132312113
5102324044043
65212052411
71225036435
oct316366627
9122758617
1054128023
1128610204
1216164107
13b2a2321
14728dd55
154b42ded
hex339ed97

54128023 has 4 divisors (see below), whose sum is σ = 54146160. Its totient is φ = 54109888.

The previous prime is 54127987. The next prime is 54128033. The reversal of 54128023 is 32082145.

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 54128023 - 29 = 54127511 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 (54128033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3418 + ... + 10951.

It is an arithmetic number, because the mean of its divisors is an integer number (13536540).

Almost surely, 254128023 is an apocalyptic number.

54128023 is a deficient number, since it is larger than the sum of its proper divisors (18137).

54128023 is a wasteful number, since it uses less digits than its factorization.

54128023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18136.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 54128023 is about 7357.1749333559. The cubic root of 54128023 is about 378.2747808412.

The spelling of 54128023 in words is "fifty-four million, one hundred twenty-eight thousand, twenty-three".

Divisors: 1 3767 14369 54128023