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42685227 = 32131372663
BaseRepresentation
bin1010001011010…
…1001100101011
32222022122010100
42202311030223
541411411402
64122520443
71025550504
oct242651453
988278110
1042685227
1122105052
1212366123
138ac6b40
145951bab
153b3271c
hex28b532b

42685227 has 24 divisors (see below), whose sum is σ = 66909024. Its totient is φ = 26066304.

The previous prime is 42685219. The next prime is 42685241. The reversal of 42685227 is 72258624.

42685227 is a `hidden beast` number, since 426 + 8 + 5 + 227 = 666.

42685227 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 42685227 - 23 = 42685219 is a prime.

It is a super-3 number, since 3×426852273 (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42685191 and 42685200.

It is not an unprimeable number, because it can be changed into a prime (42685207) 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 23 ways as a sum of consecutive naturals, for example, 14698 + ... + 17360.

It is an arithmetic number, because the mean of its divisors is an integer number (2787876).

Almost surely, 242685227 is an apocalyptic number.

42685227 is a deficient number, since it is larger than the sum of its proper divisors (24223797).

42685227 is a wasteful number, since it uses less digits than its factorization.

42685227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819 (or 2816 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 42685227 is about 6533.3932225146. The cubic root of 42685227 is about 349.4828471262.

The spelling of 42685227 in words is "forty-two million, six hundred eighty-five thousand, two hundred twenty-seven".

Divisors: 1 3 9 13 39 117 137 411 1233 1781 2663 5343 7989 16029 23967 34619 103857 311571 364831 1094493 3283479 4742803 14228409 42685227