Search a number
-
+
7168938 = 237170689
BaseRepresentation
bin11011010110001110101010
3111111012221020
4123112032222
53313401223
6413353310
7114635460
oct33261652
914435836
107168938
114057147
122498836
13164009a
14d48830
159691e3
hex6d63aa

7168938 has 16 divisors (see below), whose sum is σ = 16386240. Its totient is φ = 2048256.

The previous prime is 7168927. The next prime is 7168943. The reversal of 7168938 is 8398617.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 170689 = 7168938 / (7 + 1 + 6 + 8 + 9 + 3 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 7168938.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 85303 + ... + 85386.

It is an arithmetic number, because the mean of its divisors is an integer number (1024140).

Almost surely, 27168938 is an apocalyptic number.

7168938 is an abundant number, since it is smaller than the sum of its proper divisors (9217302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7168938 is a wasteful number, since it uses less digits than its factorization.

7168938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170701.

The product of its digits is 72576, while the sum is 42.

The square root of 7168938 is about 2677.4872548716. The cubic root of 7168938 is about 192.8197911595.

The spelling of 7168938 in words is "seven million, one hundred sixty-eight thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 170689 341378 512067 1024134 1194823 2389646 3584469 7168938