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54128716 = 2261972287
BaseRepresentation
bin1100111001111…
…1000001001100
310202212000122021
43032133001030
5102324104331
65212055524
71225041445
oct316370114
9122760567
1054128716
1128610784
12161645a4
13b2a2735
1472902cc
154b43211
hex339f04c

54128716 has 24 divisors (see below), whose sum is σ = 97313216. Its totient is φ = 26334720.

The previous prime is 54128713. The next prime is 54128719. The reversal of 54128716 is 61782145.

54128716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (54128713) and next prime (54128719).

It is not an unprimeable number, because it can be changed into a prime (54128713) 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 7 ways as a sum of consecutive naturals, for example, 22525 + ... + 24811.

Almost surely, 254128716 is an apocalyptic number.

It is an amenable number.

54128716 is a deficient number, since it is larger than the sum of its proper divisors (43184500).

54128716 is a wasteful number, since it uses less digits than its factorization.

54128716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449 (or 2447 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 54128716 is about 7357.2220300872. Note that the first 3 decimals coincide. The cubic root of 54128716 is about 378.2763951825.

The spelling of 54128716 in words is "fifty-four million, one hundred twenty-eight thousand, seven hundred sixteen".

Divisors: 1 2 4 61 97 122 194 244 388 2287 4574 5917 9148 11834 23668 139507 221839 279014 443678 558028 887356 13532179 27064358 54128716