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42927580 = 22513715667
BaseRepresentation
bin1010001111000…
…0010111011100
32222202221120101
42203300113130
541442140310
64132030444
71030610203
oct243602734
988687511
1042927580
1122260143
1212462424
138b80247
1459b623a
153b7e43a
hex28f05dc

42927580 has 24 divisors (see below), whose sum is σ = 90811728. Its totient is φ = 17044608.

The previous prime is 42927571. The next prime is 42927581. The reversal of 42927580 is 8572924.

42927580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42927581) 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, 5094 + ... + 10573.

It is an arithmetic number, because the mean of its divisors is an integer number (3783822).

Almost surely, 242927580 is an apocalyptic number.

It is an amenable number.

42927580 is an abundant number, since it is smaller than the sum of its proper divisors (47884148).

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

42927580 is a wasteful number, since it uses less digits than its factorization.

42927580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15813 (or 15811 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 42927580 is about 6551.9142241028. The cubic root of 42927580 is about 350.1430163829.

The spelling of 42927580 in words is "forty-two million, nine hundred twenty-seven thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 137 274 548 685 1370 2740 15667 31334 62668 78335 156670 313340 2146379 4292758 8585516 10731895 21463790 42927580