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225480256 = 2618772
BaseRepresentation
bin11010111000010…
…00111001000000
3120201021120202121
431130020321000
5430210332011
634212454024
75405356561
oct1534107100
9521246677
10225480256
11106306721
126361a314
1337938c91
1421d36168
1514bdde71
hexd708e40

225480256 has 21 divisors (see below), whose sum is σ = 447675889. Its totient is φ = 112680064.

The previous prime is 225480223. The next prime is 225480263. The reversal of 225480256 is 652084522.

The square root of 225480256 is 15016.

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

It can be written as a sum of positive squares in only one way, i.e., 141134400 + 84345856 = 11880^2 + 9184^2 .

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 119190 + ... + 121066.

Almost surely, 2225480256 is an apocalyptic number.

225480256 is the 15016-th square number.

It is an amenable number.

225480256 is a deficient number, since it is larger than the sum of its proper divisors (222195633).

225480256 is an frugal number, since it uses more digits than its factorization.

225480256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766 (or 1879 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The cubic root of 225480256 is about 608.6526348446.

The spelling of 225480256 in words is "two hundred twenty-five million, four hundred eighty thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 32 64 1877 3754 7508 15016 30032 60064 120128 3523129 7046258 14092516 28185032 56370064 112740128 225480256