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7142052 = 22323113229
BaseRepresentation
bin11011001111101010100100
3111102212001110
4123033222210
53312021202
6413025020
7114464211
oct33175244
914385043
107142052
114038a25
122485170
131630a88
14d3cb08
1596126c
hex6cfaa4

7142052 has 48 divisors (see below), whose sum is σ = 17619840. Its totient is φ = 2247168.

The previous prime is 7142039. The next prime is 7142053. The reversal of 7142052 is 2502417.

It is not an unprimeable number, because it can be changed into a prime (7142053) 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, 31074 + ... + 31302.

It is an arithmetic number, because the mean of its divisors is an integer number (367080).

Almost surely, 27142052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7142052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8809920).

7142052 is an abundant number, since it is smaller than the sum of its proper divisors (10477788).

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

7142052 is a wasteful number, since it uses less digits than its factorization.

7142052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 7142052 is about 2672.4617864434. The cubic root of 7142052 is about 192.5784421976.

Adding to 7142052 its reverse (2502417), we get a palindrome (9644469).

The spelling of 7142052 in words is "seven million, one hundred forty-two thousand, fifty-two".

Divisors: 1 2 3 4 6 12 23 46 69 92 113 138 226 229 276 339 452 458 678 687 916 1356 1374 2599 2748 5198 5267 7797 10396 10534 15594 15801 21068 25877 31188 31602 51754 63204 77631 103508 155262 310524 595171 1190342 1785513 2380684 3571026 7142052