Search a number
-
+
7022141 = 721391031
BaseRepresentation
bin11010110010011000111101
3111012202120022
4122302120331
53244202031
6410301525
7113454500
oct32623075
914182508
107022141
113a66925
1224278a5
1315bb319
14d0b137
1593a97b
hex6b263d

7022141 has 12 divisors (see below), whose sum is σ = 8235360. Its totient is φ = 5969880.

The previous prime is 7022131. The next prime is 7022143. The reversal of 7022141 is 1412207.

It is not a de Polignac number, because 7022141 - 210 = 7021117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7022143) 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, 6296 + ... + 7326.

It is an arithmetic number, because the mean of its divisors is an integer number (686280).

Almost surely, 27022141 is an apocalyptic number.

It is an amenable number.

7022141 is a deficient number, since it is larger than the sum of its proper divisors (1213219).

7022141 is a wasteful number, since it uses less digits than its factorization.

7022141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184 (or 1177 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 7022141 is about 2649.9322632852. The cubic root of 7022141 is about 191.4945927161.

Adding to 7022141 its reverse (1412207), we get a palindrome (8434348).

The spelling of 7022141 in words is "seven million, twenty-two thousand, one hundred forty-one".

Divisors: 1 7 49 139 973 1031 6811 7217 50519 143309 1003163 7022141