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4906789 = 16330103
BaseRepresentation
bin10010101101111100100101
3100020021211221
4102231330211
52224004124
6253100341
756464336
oct22557445
910207757
104906789
1128515a8
1217876b1
13102a534
1491a28d
1566dce4
hex4adf25

4906789 has 4 divisors (see below), whose sum is σ = 4937056. Its totient is φ = 4876524.

The previous prime is 4906787. The next prime is 4906801. The reversal of 4906789 is 9876094.

4906789 = 862 + 872 + ... + 2482.

4906789 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9876094 = 24938047.

It is a cyclic number.

It is not a de Polignac number, because 4906789 - 21 = 4906787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4906787) 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 in 3 ways as a sum of consecutive naturals, for example, 14889 + ... + 15214.

It is an arithmetic number, because the mean of its divisors is an integer number (1234264).

Almost surely, 24906789 is an apocalyptic number.

It is an amenable number.

4906789 is a deficient number, since it is larger than the sum of its proper divisors (30267).

4906789 is a wasteful number, since it uses less digits than its factorization.

4906789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30266.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 4906789 is about 2215.1273101111. The cubic root of 4906789 is about 169.9283319591.

The spelling of 4906789 in words is "four million, nine hundred six thousand, seven hundred eighty-nine".

Divisors: 1 163 30103 4906789