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2656552225 = 52556919081
BaseRepresentation
bin1001111001010111…
…1100010100100001
320212010202211120011
42132111330110201
520420034132400
61115335044521
7122555215135
oct23625742441
96763684504
102656552225
111143611008
12621810741
133344b37c2
141b2b633c5
151083518ba
hex9e57c521

2656552225 has 12 divisors (see below), whose sum is σ = 3294888940. Its totient is φ = 2124748800.

The previous prime is 2656552219. The next prime is 2656552229. The reversal of 2656552225 is 5222556562.

It is a happy number.

2656552225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 602015296 + 2054536929 = 24536^2 + 45327^2 .

It is not a de Polignac number, because 2656552225 - 25 = 2656552193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2656552229) 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, 129685 + ... + 148765.

Almost surely, 22656552225 is an apocalyptic number.

2656552225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2656552225 is a deficient number, since it is larger than the sum of its proper divisors (638336715).

2656552225 is a wasteful number, since it uses less digits than its factorization.

2656552225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24660 (or 24655 counting only the distinct ones).

The product of its digits is 360000, while the sum is 40.

The square root of 2656552225 is about 51541.7522499963. The cubic root of 2656552225 is about 1384.9670868466.

The spelling of 2656552225 in words is "two billion, six hundred fifty-six million, five hundred fifty-two thousand, two hundred twenty-five".

Divisors: 1 5 25 5569 19081 27845 95405 139225 477025 106262089 531310445 2656552225