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538017140 = 22583932063
BaseRepresentation
bin100000000100010…
…111110101110100
31101111101002202202
4200010113311310
52100213022030
6125215324032
716222033043
oct4004276564
91344332682
10538017140
11256773271
12130220618
138760624b
145165055a
1532377745
hex20117d74

538017140 has 24 divisors (see below), whose sum is σ = 1131217920. Its totient is φ = 214943648.

The previous prime is 538017089. The next prime is 538017149. The reversal of 538017140 is 41710835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538017149) by changing a digit.

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, 749 + ... + 32811.

It is an arithmetic number, because the mean of its divisors is an integer number (47134080).

Almost surely, 2538017140 is an apocalyptic number.

It is an amenable number.

538017140 is an abundant number, since it is smaller than the sum of its proper divisors (593200780).

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

538017140 is a wasteful number, since it uses less digits than its factorization.

538017140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32911 (or 32909 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 538017140 is about 23195.1964854795. The cubic root of 538017140 is about 813.3273384102.

Adding to 538017140 its reverse (41710835), we get a palindrome (579727975).

The spelling of 538017140 in words is "five hundred thirty-eight million, seventeen thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 839 1678 3356 4195 8390 16780 32063 64126 128252 160315 320630 641260 26900857 53801714 107603428 134504285 269008570 538017140