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7142000 = 24533571
BaseRepresentation
bin11011001111101001110000
3111102211222112
4123033221300
53312021000
6413024452
7114464105
oct33175160
914384875
107142000
114038988
122485128
131630a48
14d3caac
15961235
hex6cfa70

7142000 has 40 divisors (see below), whose sum is σ = 17274192. Its totient is φ = 2856000.

The previous prime is 7141991. The next prime is 7142011. The reversal of 7142000 is 2417.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 215 + ... + 3785.

Almost surely, 27142000 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 7142000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8637096).

7142000 is an abundant number, since it is smaller than the sum of its proper divisors (10132192).

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

7142000 is a wasteful number, since it uses less digits than its factorization.

7142000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3594 (or 3578 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 7142000 is about 2672.4520575681. The cubic root of 7142000 is about 192.5779748201.

Adding to 7142000 its reverse (2417), we get a palindrome (7144417).

The spelling of 7142000 in words is "seven million, one hundred forty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 3571 7142 14284 17855 28568 35710 57136 71420 89275 142840 178550 285680 357100 446375 714200 892750 1428400 1785500 3571000 7142000