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54301640 = 23510113441
BaseRepresentation
bin1100111100100…
…1001111001000
310210011210211212
43033021033020
5102400123030
65215512252
71226361551
oct317111710
9123153755
1054301640
1128719698
1216228688
13b333363
1472d7328
154b79595
hex33c93c8

54301640 has 32 divisors (see below), whose sum is σ = 123397560. Its totient is φ = 21504000.

The previous prime is 54301579. The next prime is 54301661. The reversal of 54301640 is 4610345.

It is a happy number.

54301640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 47087044 + 7214596 = 6862^2 + 2686^2 .

It is an unprimeable number.

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, 2681 + ... + 10760.

Almost surely, 254301640 is an apocalyptic number.

It is an amenable number.

54301640 is an abundant number, since it is smaller than the sum of its proper divisors (69095920).

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

54301640 is a wasteful number, since it uses less digits than its factorization.

54301640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13553 (or 13549 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 54301640 is about 7368.9646491213. The cubic root of 54301640 is about 378.6787911600.

Adding to 54301640 its reverse (4610345), we get a palindrome (58911985).

The spelling of 54301640 in words is "fifty-four million, three hundred one thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 101 202 404 505 808 1010 2020 4040 13441 26882 53764 67205 107528 134410 268820 537640 1357541 2715082 5430164 6787705 10860328 13575410 27150820 54301640