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54509454 = 23210329401
BaseRepresentation
bin1100111111101…
…1111110001110
310210120100220200
43033323332032
5102423300304
65224154330
71231215456
oct317737616
9123510820
1054509454
112885083a
12163089a6
13b3a6b1c
14734cd66
154bbae39
hex33fbf8e

54509454 has 24 divisors (see below), whose sum is σ = 119254512. Its totient is φ = 17992800.

The previous prime is 54509449. The next prime is 54509467. The reversal of 54509454 is 45490545.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12847 + ... + 16554.

It is an arithmetic number, because the mean of its divisors is an integer number (4968938).

Almost surely, 254509454 is an apocalyptic number.

54509454 is an abundant number, since it is smaller than the sum of its proper divisors (64745058).

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

54509454 is a wasteful number, since it uses less digits than its factorization.

54509454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29512 (or 29509 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 54509454 is about 7383.0518080263. The cubic root of 54509454 is about 379.1612479092.

Adding to 54509454 its reverse (45490545), we get a palindrome (99999999).

The spelling of 54509454 in words is "fifty-four million, five hundred nine thousand, four hundred fifty-four".

Divisors: 1 2 3 6 9 18 103 206 309 618 927 1854 29401 58802 88203 176406 264609 529218 3028303 6056606 9084909 18169818 27254727 54509454