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4639941 = 321972617
BaseRepresentation
bin10001101100110011000101
322201201210200
4101230303011
52141434231
6243241113
754303345
oct21546305
98651720
104639941
11268a069
121679199
13c65c37
1488ad25
15619be6
hex46ccc5

4639941 has 12 divisors (see below), whose sum is σ = 6738732. Its totient is φ = 3076416.

The previous prime is 4639939. The next prime is 4639967. The reversal of 4639941 is 1499364.

It can be written as a sum of positive squares in 2 ways, for example, as 4536900 + 103041 = 2130^2 + 321^2 .

It is not a de Polignac number, because 4639941 - 21 = 4639939 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4639896 and 4639905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4639931) 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 11 ways as a sum of consecutive naturals, for example, 465 + ... + 3081.

It is an arithmetic number, because the mean of its divisors is an integer number (561561).

Almost surely, 24639941 is an apocalyptic number.

It is an amenable number.

4639941 is a deficient number, since it is larger than the sum of its proper divisors (2098791).

4639941 is a wasteful number, since it uses less digits than its factorization.

4639941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820 (or 2817 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 4639941 is about 2154.0522277791. The cubic root of 4639941 is about 166.7903113604.

It can be divided in two parts, 463 and 9941, that added together give a square (10404 = 1022).

The spelling of 4639941 in words is "four million, six hundred thirty-nine thousand, nine hundred forty-one".

Divisors: 1 3 9 197 591 1773 2617 7851 23553 515549 1546647 4639941