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42618159 = 3219249229
BaseRepresentation
bin1010001010010…
…0110100101111
32222012020010100
42202210310233
541402240114
64121242143
71025151123
oct242446457
988166110
1042618159
1122069721
1212333353
138aa245c
145935583
153b1c909
hex28a4d2f

42618159 has 12 divisors (see below), whose sum is σ = 64799800. Its totient is φ = 26916624.

The previous prime is 42618157. The next prime is 42618179. The reversal of 42618159 is 95181624.

42618159 is a `hidden beast` number, since 426 + 181 + 59 = 666.

42618159 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 42618159 - 21 = 42618157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42618151) 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, 124444 + ... + 124785.

Almost surely, 242618159 is an apocalyptic number.

42618159 is a deficient number, since it is larger than the sum of its proper divisors (22181641).

42618159 is a wasteful number, since it uses less digits than its factorization.

42618159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249254 (or 249251 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 42618159 is about 6528.2584967202. The cubic root of 42618159 is about 349.2997127103.

The spelling of 42618159 in words is "forty-two million, six hundred eighteen thousand, one hundred fifty-nine".

Divisors: 1 3 9 19 57 171 249229 747687 2243061 4735351 14206053 42618159