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4030345225 = 52126972
BaseRepresentation
bin1111000000111010…
…0011000000001001
3101101212210202021101
43300032203000021
531223232021400
61503532141401
7201606240424
oct36016430011
911355722241
104030345225
111789030025
12945907861
134c2cb787a
142a33b29bb
15188c6b56a
hexf03a3009

4030345225 has 9 divisors (see below), whose sum is σ = 4998021717. Its totient is φ = 3224022240.

The previous prime is 4030345217. The next prime is 4030345229. The reversal of 4030345225 is 5225430304.

The square root of 4030345225 is 63485.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 790003449 + 3240341776 = 28107^2 + 56924^2 .

It is not a de Polignac number, because 4030345225 - 23 = 4030345217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4030345193 and 4030345202.

It is not an unprimeable number, because it can be changed into a prime (4030345229) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 311077 + ... + 323773.

Almost surely, 24030345225 is an apocalyptic number.

4030345225 is the 63485-th square number.

4030345225 is the 31743-rd centered octagonal number.

It is an amenable number.

4030345225 is a deficient number, since it is larger than the sum of its proper divisors (967676492).

4030345225 is an frugal number, since it uses more digits than its factorization.

4030345225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25404 (or 12702 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The cubic root of 4030345225 is about 1591.4051138010.

Multiplying 4030345225 by its product of nonzero digits (14400), we get a square (58036971240000 = 76182002).

Adding to 4030345225 its reverse (5225430304), we get a palindrome (9255775529).

The spelling of 4030345225 in words is "four billion, thirty million, three hundred forty-five thousand, two hundred twenty-five".

Divisors: 1 5 25 12697 63485 317425 161213809 806069045 4030345225