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42253455 = 355353149
BaseRepresentation
bin1010000100101…
…1110010001111
32221111200211210
42201023302033
541304102310
64105345503
71022101626
oct241136217
987450753
1042253455
112193a712
1212198293
1389a545a
14587c6bd
153a99820
hex284bc8f

42253455 has 16 divisors (see below), whose sum is σ = 68882400. Its totient is φ = 22109568.

The previous prime is 42253441. The next prime is 42253457. The reversal of 42253455 is 55435224.

42253455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42253455 - 28 = 42253199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42253457) 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, 25780 + ... + 27369.

It is an arithmetic number, because the mean of its divisors is an integer number (4305150).

Almost surely, 242253455 is an apocalyptic number.

42253455 is a deficient number, since it is larger than the sum of its proper divisors (26628945).

42253455 is a wasteful number, since it uses less digits than its factorization.

42253455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53210.

The product of its digits is 24000, while the sum is 30.

The square root of 42253455 is about 6500.2657637977. The cubic root of 42253455 is about 348.3004819844.

Adding to 42253455 its reverse (55435224), we get a palindrome (97688679).

The spelling of 42253455 in words is "forty-two million, two hundred fifty-three thousand, four hundred fifty-five".

Divisors: 1 3 5 15 53 159 265 795 53149 159447 265745 797235 2816897 8450691 14084485 42253455