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7142042 = 24383047
BaseRepresentation
bin11011001111101010011010
3111102212001002
4123033222122
53312021132
6413025002
7114464165
oct33175232
914385032
107142042
114038a16
122485162
131630a7b
14d3cadc
15961262
hex6cfa9a

7142042 has 8 divisors (see below), whose sum is σ = 10962336. Its totient is φ = 3487932.

The previous prime is 7142039. The next prime is 7142053. The reversal of 7142042 is 2402417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41438 + ... + 41609.

It is an arithmetic number, because the mean of its divisors is an integer number (1370292).

Almost surely, 27142042 is an apocalyptic number.

7142042 is a deficient number, since it is larger than the sum of its proper divisors (3820294).

7142042 is a wasteful number, since it uses less digits than its factorization.

7142042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83092.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 7142042 is about 2672.4599155086. The cubic root of 7142042 is about 192.5783523175.

Adding to 7142042 its reverse (2402417), we get a palindrome (9544459).

The spelling of 7142042 in words is "seven million, one hundred forty-two thousand, forty-two".

Divisors: 1 2 43 86 83047 166094 3571021 7142042