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54344540 = 2252717227
BaseRepresentation
bin1100111101001…
…1101101011100
310210020222200202
43033103231130
5102403011130
65220443032
71226630615
oct317235534
9123228622
1054344540
1128748948
1216249478
13b349a43
147308c0c
154b87145
hex33d3b5c

54344540 has 12 divisors (see below), whose sum is σ = 114123576. Its totient is φ = 21737808.

The previous prime is 54344539. The next prime is 54344567. The reversal of 54344540 is 4544345.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1358594 + ... + 1358633.

It is an arithmetic number, because the mean of its divisors is an integer number (9510298).

Almost surely, 254344540 is an apocalyptic number.

It is an amenable number.

54344540 is an abundant number, since it is smaller than the sum of its proper divisors (59779036).

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

54344540 is a wasteful number, since it uses less digits than its factorization.

54344540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717236 (or 2717234 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 54344540 is about 7371.8749311149. The cubic root of 54344540 is about 378.7784876204.

Adding to 54344540 its reverse (4544345), we get a palindrome (58888885).

The spelling of 54344540 in words is "fifty-four million, three hundred forty-four thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 2717227 5434454 10868908 13586135 27172270 54344540