Search a number
-
+
42122395 = 571319187
BaseRepresentation
bin1010000010101…
…1110010011011
32221021001001201
42200223302123
541240404040
64102455031
71021014550
oct240536233
987231051
1042122395
11218601a7
1212134477
13895a8c3
145846a27
153a70a9a
hex282bc9b

42122395 has 16 divisors (see below), whose sum is σ = 58215168. Its totient is φ = 28660320.

The previous prime is 42122393. The next prime is 42122429. The reversal of 42122395 is 59322124.

42122395 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 42122395 - 21 = 42122393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42122393) 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, 9 + ... + 9178.

It is an arithmetic number, because the mean of its divisors is an integer number (3638448).

Almost surely, 242122395 is an apocalyptic number.

42122395 is a deficient number, since it is larger than the sum of its proper divisors (16092773).

42122395 is a wasteful number, since it uses less digits than its factorization.

42122395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9330.

The product of its digits is 4320, while the sum is 28.

The square root of 42122395 is about 6490.1768080693. The cubic root of 42122395 is about 347.9399943881.

The spelling of 42122395 in words is "forty-two million, one hundred twenty-two thousand, three hundred ninety-five".

Divisors: 1 5 7 35 131 655 917 4585 9187 45935 64309 321545 1203497 6017485 8424479 42122395