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4681938 = 23780323
BaseRepresentation
bin10001110111000011010010
322210212102010
4101313003102
52144310223
6244203350
754536652
oct21670322
98725363
104681938
112708678
121699556
13c7c0a1
1489c362
15627393
hex4770d2

4681938 has 8 divisors (see below), whose sum is σ = 9363888. Its totient is φ = 1560644.

The previous prime is 4681921. The next prime is 4681939. The reversal of 4681938 is 8391864.

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

4681938 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4681896 and 4681905.

It is not an unprimeable number, because it can be changed into a prime (4681939) 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, 390156 + ... + 390167.

It is an arithmetic number, because the mean of its divisors is an integer number (1170486).

Almost surely, 24681938 is an apocalyptic number.

4681938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4681938 is a wasteful number, since it uses less digits than its factorization.

4681938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780328.

The product of its digits is 41472, while the sum is 39.

The square root of 4681938 is about 2163.7786393252. The cubic root of 4681938 is about 167.2920177923.

The spelling of 4681938 in words is "four million, six hundred eighty-one thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 780323 1560646 2340969 4681938