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4579142 = 22289571
BaseRepresentation
bin10001011101111101000110
322121122101212
4101131331012
52133013032
6242051422
753631161
oct21357506
98548355
104579142
112648417
121649b72
13c44369
14872ad8
15606bb2
hex45df46

4579142 has 4 divisors (see below), whose sum is σ = 6868716. Its totient is φ = 2289570.

The previous prime is 4579117. The next prime is 4579151. The reversal of 4579142 is 2419754.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2419754 = 21209877.

It is a junction number, because it is equal to n+sod(n) for n = 4579099 and 4579108.

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 as a sum of consecutive naturals, namely, 1144784 + ... + 1144787.

It is an arithmetic number, because the mean of its divisors is an integer number (1717179).

Almost surely, 24579142 is an apocalyptic number.

4579142 is a deficient number, since it is larger than the sum of its proper divisors (2289574).

4579142 is a wasteful number, since it uses less digits than its factorization.

4579142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289573.

The product of its digits is 10080, while the sum is 32.

The square root of 4579142 is about 2139.8929879786. The cubic root of 4579142 is about 166.0585993338.

The spelling of 4579142 in words is "four million, five hundred seventy-nine thousand, one hundred forty-two".

Divisors: 1 2 2289571 4579142