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3030625 = 5413373
BaseRepresentation
bin1011100011111001100001
312200222020101
423203321201
51233440000
6144542401
734521433
oct13437141
95628211
103030625
11178aa54
121021a01
13821590
1458c653
153ece6a
hex2e3e61

3030625 has 20 divisors (see below), whose sum is σ = 4089316. Its totient is φ = 2232000.

The previous prime is 3030623. The next prime is 3030661. The reversal of 3030625 is 5260303.

It can be written as a sum of positive squares in 10 ways, for example, as 2715904 + 314721 = 1648^2 + 561^2 .

It is not a de Polignac number, because 3030625 - 21 = 3030623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3030623) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7939 + ... + 8311.

Almost surely, 23030625 is an apocalyptic number.

It is an amenable number.

3030625 is a deficient number, since it is larger than the sum of its proper divisors (1058691).

3030625 is an equidigital number, since it uses as much as digits as its factorization.

3030625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 3030625 is about 1740.8690358554. The cubic root of 3030625 is about 144.7140619506.

Adding to 3030625 its reverse (5260303), we get a palindrome (8290928).

It can be divided in two parts, 3030 and 625, that added together give a triangular number (3655 = T85).

The spelling of 3030625 in words is "three million, thirty thousand, six hundred twenty-five".

Divisors: 1 5 13 25 65 125 325 373 625 1625 1865 4849 8125 9325 24245 46625 121225 233125 606125 3030625