Base | Representation |
---|---|
bin | 11010111001100… |
… | …11000011000011 |
3 | 120201121100121222 |
4 | 31130303003003 |
5 | 430231343211 |
6 | 34220305255 |
7 | 5410006160 |
oct | 1534630303 |
9 | 521540558 |
10 | 225652931 |
11 | 106414429 |
12 | 636a222b |
13 | 3799975a |
14 | 21d7d067 |
15 | 14c251db |
hex | d7330c3 |
225652931 has 8 divisors (see below), whose sum is σ = 269101824. Its totient is φ = 185007240.
The previous prime is 225652927. The next prime is 225652957. The reversal of 225652931 is 139256522.
225652931 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 a cyclic number.
It is not a de Polignac number, because 225652931 - 22 = 225652927 is a prime.
It is a super-2 number, since 2×2256529312 = 101838490537781522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 225652891 and 225652900.
It is not an unprimeable number, because it can be changed into a prime (225652991) 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, 700625 + ... + 700946.
It is an arithmetic number, because the mean of its divisors is an integer number (33637728).
Almost surely, 2225652931 is an apocalyptic number.
225652931 is a deficient number, since it is larger than the sum of its proper divisors (43448893).
225652931 is a wasteful number, since it uses less digits than its factorization.
225652931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1401601.
The product of its digits is 32400, while the sum is 35.
The square root of 225652931 is about 15021.7485999467. The cubic root of 225652931 is about 608.8079659268.
The spelling of 225652931 in words is "two hundred twenty-five million, six hundred fifty-two thousand, nine hundred thirty-one".
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