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42540110 = 2523184957
BaseRepresentation
bin1010001001000…
…1110001001110
32222001021001122
42202101301032
541342240420
64115440542
71024404434
oct242216116
988037048
1042540110
1122016018
12122b6152
138a75a82
145914d54
153b04725
hex2891c4e

42540110 has 16 divisors (see below), whose sum is σ = 79901856. Its totient is φ = 16276128.

The previous prime is 42540101. The next prime is 42540139. The reversal of 42540110 is 1104524.

It is a congruent number.

It is an unprimeable number.

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, 92249 + ... + 92708.

It is an arithmetic number, because the mean of its divisors is an integer number (4993866).

Almost surely, 242540110 is an apocalyptic number.

42540110 is a deficient number, since it is larger than the sum of its proper divisors (37361746).

42540110 is a wasteful number, since it uses less digits than its factorization.

42540110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184987.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 42540110 is about 6522.2779762902. The cubic root of 42540110 is about 349.0863517603.

Adding to 42540110 its reverse (1104524), we get a palindrome (43644634).

The spelling of 42540110 in words is "forty-two million, five hundred forty thousand, one hundred ten".

Divisors: 1 2 5 10 23 46 115 230 184957 369914 924785 1849570 4254011 8508022 21270055 42540110