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3061225 = 52122449
BaseRepresentation
bin1011101011010111101001
312202112012201
423223113221
51240424400
6145340201
735006566
oct13532751
95675181
103061225
111800a42
121037661
1383249b
1459986d
1540706a
hex2eb5e9

3061225 has 6 divisors (see below), whose sum is σ = 3795950. Its totient is φ = 2448960.

The previous prime is 3061187. The next prime is 3061229. The reversal of 3061225 is 5221603.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 9216 + 3052009 = 96^2 + 1747^2 .

It is not a de Polignac number, because 3061225 - 215 = 3028457 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3061229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61200 + ... + 61249.

Almost surely, 23061225 is an apocalyptic number.

It is an amenable number.

3061225 is a deficient number, since it is larger than the sum of its proper divisors (734725).

3061225 is a wasteful number, since it uses less digits than its factorization.

3061225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122459 (or 122454 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 3061225 is about 1749.6356763624. The cubic root of 3061225 is about 145.1994876116.

Adding to 3061225 its reverse (5221603), we get a palindrome (8282828).

The spelling of 3061225 in words is "three million, sixty-one thousand, two hundred twenty-five".

Divisors: 1 5 25 122449 612245 3061225