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4781349 = 3459029
BaseRepresentation
bin10010001111010100100101
322222220210000
4102033110211
52211000344
6250251513
755432536
oct22172445
98886700
104781349
112776331
121726b99
13cb5401
148c668d
15646a69
hex48f525

4781349 has 10 divisors (see below), whose sum is σ = 7142630. Its totient is φ = 3187512.

The previous prime is 4781341. The next prime is 4781351. The reversal of 4781349 is 9431874.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3305124 + 1476225 = 1818^2 + 1215^2 .

It is not a de Polignac number, because 4781349 - 23 = 4781341 is a prime.

It is a super-2 number, since 2×47813492 = 45722596519602, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4781341) 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 9 ways as a sum of consecutive naturals, for example, 29434 + ... + 29595.

It is an arithmetic number, because the mean of its divisors is an integer number (714263).

Almost surely, 24781349 is an apocalyptic number.

It is an amenable number.

4781349 is a deficient number, since it is larger than the sum of its proper divisors (2361281).

4781349 is an equidigital number, since it uses as much as digits as its factorization.

4781349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59041 (or 59032 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 4781349 is about 2186.6295982630. The cubic root of 4781349 is about 168.4677652620.

The spelling of 4781349 in words is "four million, seven hundred eighty-one thousand, three hundred forty-nine".

Divisors: 1 3 9 27 81 59029 177087 531261 1593783 4781349