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4838309 = 72293337
BaseRepresentation
bin10010011101001110100101
3100002210220122
4102131032211
52214311214
6251411325
756060600
oct22351645
910083818
104838309
112805103
121753b45
131005308
148dd337
1565888e
hex49d3a5

4838309 has 12 divisors (see below), whose sum is σ = 5664204. Its totient is φ = 4120704.

The previous prime is 4838297. The next prime is 4838333. The reversal of 4838309 is 9038384.

It can be written as a sum of positive squares in 2 ways, for example, as 3161284 + 1677025 = 1778^2 + 1295^2 .

It is a de Polignac number, because none of the positive numbers 2k-4838309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4838399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14189 + ... + 14525.

It is an arithmetic number, because the mean of its divisors is an integer number (472017).

Almost surely, 24838309 is an apocalyptic number.

4838309 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4838309 is a deficient number, since it is larger than the sum of its proper divisors (825895).

4838309 is a wasteful number, since it uses less digits than its factorization.

4838309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 4838309 is about 2199.6156482440. The cubic root of 4838309 is about 169.1341092055.

The spelling of 4838309 in words is "four million, eight hundred thirty-eight thousand, three hundred nine".

Divisors: 1 7 49 293 337 2051 2359 14357 16513 98741 691187 4838309