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42650540 = 2253116857
BaseRepresentation
bin1010001010110…
…0101110101100
32222020212112122
42202230232230
541404304130
64122052112
71025344412
oct242545654
988225478
1042650540
1122090a89
121234a038
138ab410a
1459432b2
153b272e5
hex28acbac

42650540 has 24 divisors (see below), whose sum is σ = 89867232. Its totient is φ = 17002880.

The previous prime is 42650527. The next prime is 42650551. The reversal of 42650540 is 4505624.

42650540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 2792 + ... + 9648.

It is an arithmetic number, because the mean of its divisors is an integer number (3744468).

Almost surely, 242650540 is an apocalyptic number.

It is an amenable number.

42650540 is an abundant number, since it is smaller than the sum of its proper divisors (47216692).

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

42650540 is a wasteful number, since it uses less digits than its factorization.

42650540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7177 (or 7175 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 42650540 is about 6530.7380899865. The cubic root of 42650540 is about 349.3881555312.

The spelling of 42650540 in words is "forty-two million, six hundred fifty thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 311 622 1244 1555 3110 6220 6857 13714 27428 34285 68570 137140 2132527 4265054 8530108 10662635 21325270 42650540