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225307703 = 1478315241
BaseRepresentation
bin11010110110111…
…10110000110111
3120200221211001202
431123132300313
5430134321303
634205043115
75404040525
oct1533366067
9520854052
10225307703
111061a9015
126355649b
13378a858a
1421ccd315
1514ba7c88
hexd6dec37

225307703 has 4 divisors (see below), whose sum is σ = 225337728. Its totient is φ = 225277680.

The previous prime is 225307697. The next prime is 225307739. The reversal of 225307703 is 307703522.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 225307703 - 216 = 225242167 is a prime.

It is a super-2 number, since 2×2253077032 = 101527122062272418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221307703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7163 + ... + 22403.

It is an arithmetic number, because the mean of its divisors is an integer number (56334432).

Almost surely, 2225307703 is an apocalyptic number.

225307703 is a deficient number, since it is larger than the sum of its proper divisors (30025).

225307703 is a wasteful number, since it uses less digits than its factorization.

225307703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30024.

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 225307703 is about 15010.2532623537. The cubic root of 225307703 is about 608.4973342696.

The spelling of 225307703 in words is "two hundred twenty-five million, three hundred seven thousand, seven hundred three".

Divisors: 1 14783 15241 225307703