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42252723 = 3233713931
BaseRepresentation
bin1010000100101…
…1100110110011
32221111122211200
42201023212303
541304041343
64105342243
71022066532
oct241134663
987448750
1042252723
112193a107
1212197983
1389a5016
14587c319
153a994d3
hex284b9b3

42252723 has 12 divisors (see below), whose sum is σ = 61217208. Its totient is φ = 28082880.

The previous prime is 42252719. The next prime is 42252731. The reversal of 42252723 is 32725224.

42252723 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 42252723 - 22 = 42252719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42252733) 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 11 ways as a sum of consecutive naturals, for example, 3933 + ... + 9998.

It is an arithmetic number, because the mean of its divisors is an integer number (5101434).

Almost surely, 242252723 is an apocalyptic number.

42252723 is a deficient number, since it is larger than the sum of its proper divisors (18964485).

42252723 is a wasteful number, since it uses less digits than its factorization.

42252723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14274 (or 14271 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 42252723 is about 6500.2094581636. The cubic root of 42252723 is about 348.2984706504.

Adding to 42252723 its reverse (32725224), we get a palindrome (74977947).

The spelling of 42252723 in words is "forty-two million, two hundred fifty-two thousand, seven hundred twenty-three".

Divisors: 1 3 9 337 1011 3033 13931 41793 125379 4694747 14084241 42252723