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225103457 = 7313123539
BaseRepresentation
bin11010110101011…
…00111001100001
3120200120102220002
431122230321201
5430111302312
634200425345
75402230205
oct1532547141
9520512802
10225103457
11106079617
1263478255
1337836617
1421c78b05
1514b674c2
hexd6ace61

225103457 has 8 divisors (see below), whose sum is σ = 229938720. Its totient is φ = 220315680.

The previous prime is 225103433. The next prime is 225103471. The reversal of 225103457 is 754301522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225103457 - 28 = 225103201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225103357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2207 + ... + 21332.

It is an arithmetic number, because the mean of its divisors is an integer number (28742340).

Almost surely, 2225103457 is an apocalyptic number.

It is an amenable number.

225103457 is a deficient number, since it is larger than the sum of its proper divisors (4835263).

225103457 is a wasteful number, since it uses less digits than its factorization.

225103457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23743.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 225103457 is about 15003.4481703374. The cubic root of 225103457 is about 608.3134069577.

Adding to 225103457 its reverse (754301522), we get a palindrome (979404979).

The spelling of 225103457 in words is "two hundred twenty-five million, one hundred three thousand, four hundred fifty-seven".

Divisors: 1 73 131 9563 23539 1718347 3083609 225103457