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54638668 = 2272967289
BaseRepresentation
bin1101000001101…
…1100001001100
310210210221011101
43100123201030
5102441414133
65231032444
71232264260
oct320334114
9123727141
1054638668
1128929927
121636b724
13b420896
1473840a0
154be437d
hex341b84c

54638668 has 24 divisors (see below), whose sum is σ = 113047200. Its totient is φ = 22608768.

The previous prime is 54638653. The next prime is 54638671. The reversal of 54638668 is 86683645.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 32833 + ... + 34456.

It is an arithmetic number, because the mean of its divisors is an integer number (4710300).

Almost surely, 254638668 is an apocalyptic number.

54638668 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

54638668 is an abundant number, since it is smaller than the sum of its proper divisors (58408532).

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

54638668 is a wasteful number, since it uses less digits than its factorization.

54638668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67329 (or 67327 counting only the distinct ones).

The product of its digits is 829440, while the sum is 46.

The square root of 54638668 is about 7391.7973457069. The cubic root of 54638668 is about 379.4606105360.

The spelling of 54638668 in words is "fifty-four million, six hundred thirty-eight thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 67289 134578 269156 471023 942046 1884092 1951381 3902762 7805524 13659667 27319334 54638668