Search a number
-
+
7135427 = 131783389
BaseRepresentation
bin11011001110000011000011
3111102111222002
4123032003003
53311313202
6412534215
7114435665
oct33160303
914374862
107135427
114033a52
12248136b
13162aa60
14d3a535
1595e302
hex6ce0c3

7135427 has 16 divisors (see below), whose sum is σ = 8255520. Its totient is φ = 6108672.

The previous prime is 7135423. The next prime is 7135441. The reversal of 7135427 is 7245317.

It is a cyclic number.

It is not a de Polignac number, because 7135427 - 22 = 7135423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7135427.

It is not an unprimeable number, because it can be changed into a prime (7135423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18149 + ... + 18537.

It is an arithmetic number, because the mean of its divisors is an integer number (515970).

Almost surely, 27135427 is an apocalyptic number.

7135427 is a deficient number, since it is larger than the sum of its proper divisors (1120093).

7135427 is a wasteful number, since it uses less digits than its factorization.

7135427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502.

The product of its digits is 5880, while the sum is 29.

The square root of 7135427 is about 2671.2220050007. Note that the first 3 decimals coincide. The cubic root of 7135427 is about 192.5188782295.

The spelling of 7135427 in words is "seven million, one hundred thirty-five thousand, four hundred twenty-seven".

Divisors: 1 13 17 83 221 389 1079 1411 5057 6613 18343 32287 85969 419731 548879 7135427