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42491514 = 23133117573
BaseRepresentation
bin1010001000010…
…1111001111010
32221221210101210
42202011321322
541334212024
64114423550
71024112652
oct242057172
987853353
1042491514
1121a9255a
1212291bb6
138a59910
145901362
153ae5129
hex2885e7a

42491514 has 32 divisors (see below), whose sum is σ = 94477824. Its totient is φ = 12651840.

The previous prime is 42491513. The next prime is 42491549. The reversal of 42491514 is 41519424.

42491514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42491513) 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 15 ways as a sum of consecutive naturals, for example, 6369 + ... + 11204.

It is an arithmetic number, because the mean of its divisors is an integer number (2952432).

Almost surely, 242491514 is an apocalyptic number.

42491514 is an abundant number, since it is smaller than the sum of its proper divisors (51986310).

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

42491514 is a wasteful number, since it uses less digits than its factorization.

42491514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17622.

The product of its digits is 5760, while the sum is 30.

The square root of 42491514 is about 6518.5515262211. The cubic root of 42491514 is about 348.9533740115.

The spelling of 42491514 in words is "forty-two million, four hundred ninety-one thousand, five hundred fourteen".

Divisors: 1 2 3 6 13 26 31 39 62 78 93 186 403 806 1209 2418 17573 35146 52719 105438 228449 456898 544763 685347 1089526 1370694 1634289 3268578 7081919 14163838 21245757 42491514