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1025226 = 23256957
BaseRepresentation
bin11111010010011001010
31221002100100
43322103022
5230301401
633550230
711466666
oct3722312
91832310
101025226
116402a4
12415376
1329b857
141c98a6
15153b86
hexfa4ca

1025226 has 12 divisors (see below), whose sum is σ = 2221362. Its totient is φ = 341736.

The previous prime is 1025209. The next prime is 1025231. The reversal of 1025226 is 6225201.

It can be written as a sum of positive squares in only one way, i.e., 998001 + 27225 = 999^2 + 165^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 56957 = 1025226 / (1 + 0 + 2 + 5 + 2 + 2 + 6).

It is a plaindrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 1025199 and 1025208.

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 5 ways as a sum of consecutive naturals, for example, 28461 + ... + 28496.

21025226 is an apocalyptic number.

1025226 is an abundant number, since it is smaller than the sum of its proper divisors (1196136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1025226 is a wasteful number, since it uses less digits than its factorization.

1025226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56965 (or 56962 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1025226 is about 1012.5344438586. The cubic root of 1025226 is about 100.8338935530.

The spelling of 1025226 in words is "one million, twenty-five thousand, two hundred twenty-six".

Divisors: 1 2 3 6 9 18 56957 113914 170871 341742 512613 1025226