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54740140 = 225713191583
BaseRepresentation
bin1101000011010…
…0010010101100
310211000002100121
43100310102230
5103003141030
65233134324
71233166150
oct320642254
9124002317
1054740140
1128999094
12163ba3a4
13b457b20
1473ad060
154c1447a
hex34344ac

54740140 has 96 divisors (see below), whose sum is σ = 149022720. Its totient is φ = 16402176.

The previous prime is 54740123. The next prime is 54740143. The reversal of 54740140 is 4104745.

It is not an unprimeable number, because it can be changed into a prime (54740143) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 33789 + ... + 35371.

It is an arithmetic number, because the mean of its divisors is an integer number (1552320).

Almost surely, 254740140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54740140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74511360).

54740140 is an abundant number, since it is smaller than the sum of its proper divisors (94282580).

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

54740140 is a wasteful number, since it uses less digits than its factorization.

54740140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631 (or 1629 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 54740140 is about 7398.6579864189. The cubic root of 54740140 is about 379.6953698911.

Adding to 54740140 its reverse (4104745), we get a palindrome (58844885).

The spelling of 54740140 in words is "fifty-four million, seven hundred forty thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 13 14 19 20 26 28 35 38 52 65 70 76 91 95 130 133 140 182 190 247 260 266 364 380 455 494 532 665 910 988 1235 1330 1583 1729 1820 2470 2660 3166 3458 4940 6332 6916 7915 8645 11081 15830 17290 20579 22162 30077 31660 34580 41158 44324 55405 60154 82316 102895 110810 120308 144053 150385 205790 210539 221620 288106 300770 391001 411580 421078 576212 601540 720265 782002 842156 1052695 1440530 1564004 1955005 2105390 2737007 2881060 3910010 4210780 5474014 7820020 10948028 13685035 27370070 54740140