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4689142 = 22344571
BaseRepresentation
bin10001111000110011110110
322211020021221
4101320303312
52200023032
6244300554
754566653
oct21706366
98736257
104689142
112713027
1216a175a
13c82453
148a0c2a
15629597
hex478cf6

4689142 has 4 divisors (see below), whose sum is σ = 7033716. Its totient is φ = 2344570.

The previous prime is 4689133. The next prime is 4689149. The reversal of 4689142 is 2419864.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 4689098 and 4689107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4689149) 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 as a sum of consecutive naturals, namely, 1172284 + ... + 1172287.

It is an arithmetic number, because the mean of its divisors is an integer number (1758429).

Almost surely, 24689142 is an apocalyptic number.

4689142 is a deficient number, since it is larger than the sum of its proper divisors (2344574).

4689142 is a wasteful number, since it uses less digits than its factorization.

4689142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344573.

The product of its digits is 13824, while the sum is 34.

The square root of 4689142 is about 2165.4426799156. The cubic root of 4689142 is about 167.3777767309.

The spelling of 4689142 in words is "four million, six hundred eighty-nine thousand, one hundred forty-two".

Divisors: 1 2 2344571 4689142