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140540058 = 23247271613
BaseRepresentation
bin10000110000001…
…11100010011010
3100210110011201100
420120013202122
5241434240213
621540132230
73324366531
oct1030074232
9323404640
10140540058
117237090a
123b097076
13231690c9
1414945318
15c511773
hex860789a

140540058 has 48 divisors (see below), whose sum is σ = 312638976. Its totient is φ = 45606240.

The previous prime is 140540033. The next prime is 140540063. The reversal of 140540058 is 850045041.

It is a Curzon number.

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 23 ways as a sum of consecutive naturals, for example, 228960 + ... + 229572.

It is an arithmetic number, because the mean of its divisors is an integer number (6513312).

Almost surely, 2140540058 is an apocalyptic number.

140540058 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

140540058 is an abundant number, since it is smaller than the sum of its proper divisors (172098918).

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

140540058 is a wasteful number, since it uses less digits than its factorization.

140540058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939 (or 936 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 140540058 is about 11854.9592154507. The cubic root of 140540058 is about 519.9162315752.

Adding to 140540058 its reverse (850045041), we get a palindrome (990585099).

The spelling of 140540058 in words is "one hundred forty million, five hundred forty thousand, fifty-eight".

Divisors: 1 2 3 6 9 18 47 94 141 271 282 423 542 613 813 846 1226 1626 1839 2439 3678 4878 5517 11034 12737 25474 28811 38211 57622 76422 86433 114633 166123 172866 229266 259299 332246 498369 518598 996738 1495107 2990214 7807781 15615562 23423343 46846686 70270029 140540058