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42460540 = 2252123027
BaseRepresentation
bin1010000111111…
…0010101111100
32221220012220121
42201332111330
541332214130
64114024324
71023623443
oct241762574
987805817
1042460540
1121a71261
12122780a4
138a487a5
1458d3d5a
153adad7a
hex287e57c

42460540 has 12 divisors (see below), whose sum is σ = 89167176. Its totient is φ = 16984208.

The previous prime is 42460477. The next prime is 42460549. The reversal of 42460540 is 4506424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42460549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1061494 + ... + 1061533.

It is an arithmetic number, because the mean of its divisors is an integer number (7430598).

Almost surely, 242460540 is an apocalyptic number.

It is an amenable number.

42460540 is an abundant number, since it is smaller than the sum of its proper divisors (46706636).

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

42460540 is a wasteful number, since it uses less digits than its factorization.

42460540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123036 (or 2123034 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 42460540 is about 6516.1752585393. The cubic root of 42460540 is about 348.8685640647.

Adding to 42460540 its reverse (4506424), we get a palindrome (46966964).

The spelling of 42460540 in words is "forty-two million, four hundred sixty thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 2123027 4246054 8492108 10615135 21230270 42460540