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225220713 = 3431745897
BaseRepresentation
bin11010110110010…
…01100001101001
3120200210101201220
431123021201221
5430124030323
634203132253
75403226104
oct1533114151
9520711656
10225220713
11106149723
1263514089
1337877ac3
1421ca973b
1514b8c0e3
hexd6c9869

225220713 has 8 divisors (see below), whose sum is σ = 307278048. Its totient is φ = 146655264.

The previous prime is 225220703. The next prime is 225220717. The reversal of 225220713 is 317022522.

It is a happy number.

225220713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 225220713 - 26 = 225220649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225220717) 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, 872820 + ... + 873077.

It is an arithmetic number, because the mean of its divisors is an integer number (38409756).

Almost surely, 2225220713 is an apocalyptic number.

It is an amenable number.

225220713 is a deficient number, since it is larger than the sum of its proper divisors (82057335).

225220713 is a wasteful number, since it uses less digits than its factorization.

225220713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745943.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 225220713 is about 15007.3552966537. The cubic root of 225220713 is about 608.4190117559.

The spelling of 225220713 in words is "two hundred twenty-five million, two hundred twenty thousand, seven hundred thirteen".

Divisors: 1 3 43 129 1745897 5237691 75073571 225220713