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42055223 = 797241257
BaseRepresentation
bin1010000001101…
…1011000110111
32221010121220212
42200123120313
541231231343
64101220035
71020314660
oct240333067
987117825
1042055223
1121814791
121210161b
138936162
14582a367
153a5ac18
hex281b637

42055223 has 16 divisors (see below), whose sum is σ = 48949824. Its totient is φ = 35389440.

The previous prime is 42055219. The next prime is 42055231. The reversal of 42055223 is 32255024.

42055223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 42055223 - 22 = 42055219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42055213) 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, 163511 + ... + 163767.

It is an arithmetic number, because the mean of its divisors is an integer number (3059364).

Almost surely, 242055223 is an apocalyptic number.

42055223 is a deficient number, since it is larger than the sum of its proper divisors (6894601).

42055223 is a wasteful number, since it uses less digits than its factorization.

42055223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 42055223 is about 6484.9998457980. Note that the first 3 decimals coincide. The cubic root of 42055223 is about 347.7549442906.

The spelling of 42055223 in words is "forty-two million, fifty-five thousand, two hundred twenty-three".

Divisors: 1 7 97 241 257 679 1687 1799 23377 24929 61937 163639 174503 433559 6007889 42055223