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42592780 = 2252392593
BaseRepresentation
bin1010001001111…
…0101000001100
32222010221022101
42202132220030
541400432110
64120524444
71025014126
oct242365014
988127271
1042592780
112205164a
1212320724
138a93a39
14592a216
153b1513a
hex289ea0c

42592780 has 24 divisors (see below), whose sum is σ = 93334752. Its totient is φ = 16296192.

The previous prime is 42592733. The next prime is 42592787. The reversal of 42592780 is 8729524.

It is not an unprimeable number, because it can be changed into a prime (42592787) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 45837 + ... + 46756.

It is an arithmetic number, because the mean of its divisors is an integer number (3888948).

Almost surely, 242592780 is an apocalyptic number.

It is an amenable number.

42592780 is an abundant number, since it is smaller than the sum of its proper divisors (50741972).

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

42592780 is a wasteful number, since it uses less digits than its factorization.

42592780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92625 (or 92623 counting only the distinct ones).

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

The square root of 42592780 is about 6526.3144269948. The cubic root of 42592780 is about 349.2303632602.

The spelling of 42592780 in words is "forty-two million, five hundred ninety-two thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 92593 185186 370372 462965 925930 1851860 2129639 4259278 8518556 10648195 21296390 42592780