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4869842 = 212891889
BaseRepresentation
bin10010100100111011010010
3100011102011112
4102210323102
52221313332
6252213322
756251535
oct22447322
910142145
104869842
11282686a
12176a242
131016783
1490aa1c
15662db2
hex4a4ed2

4869842 has 8 divisors (see below), whose sum is σ = 7314300. Its totient is φ = 2431744.

The previous prime is 4869841. The next prime is 4869853. The reversal of 4869842 is 2489684.

It can be written as a sum of positive squares in 2 ways, for example, as 4748041 + 121801 = 2179^2 + 349^2 .

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

It is a super-2 number, since 2×48698422 = 47430722209928, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4869842.

It is not an unprimeable number, because it can be changed into a prime (4869841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1634 + ... + 3522.

Almost surely, 24869842 is an apocalyptic number.

4869842 is a deficient number, since it is larger than the sum of its proper divisors (2444458).

4869842 is a wasteful number, since it uses less digits than its factorization.

4869842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3180.

The product of its digits is 110592, while the sum is 41.

The square root of 4869842 is about 2206.7718504639. The cubic root of 4869842 is about 169.5007497871.

The spelling of 4869842 in words is "four million, eight hundred sixty-nine thousand, eight hundred forty-two".

Divisors: 1 2 1289 1889 2578 3778 2434921 4869842