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1022743225 = 52711351719
BaseRepresentation
bin111100111101011…
…101001010111001
32122021110201221201
4330331131022321
54043310240400
6245252534201
734226113450
oct7475351271
92567421851
101022743225
11485348139
12246621361
13133b7110a
1499b8bb97
155ebc506a
hex3cf5d2b9

1022743225 has 24 divisors (see below), whose sum is σ = 1462227840. Its totient is φ = 695089920.

The previous prime is 1022743219. The next prime is 1022743283. The reversal of 1022743225 is 5223472201.

It is not a de Polignac number, because 1022743225 - 23 = 1022743217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1022743193 and 1022743202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6085 + ... + 45634.

It is an arithmetic number, because the mean of its divisors is an integer number (60926160).

Almost surely, 21022743225 is an apocalyptic number.

It is an amenable number.

1022743225 is a deficient number, since it is larger than the sum of its proper divisors (439484615).

1022743225 is a wasteful number, since it uses less digits than its factorization.

1022743225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51849 (or 51844 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 1022743225 is about 31980.3568616737. The cubic root of 1022743225 is about 1007.5243176466.

The spelling of 1022743225 in words is "one billion, twenty-two million, seven hundred forty-three thousand, two hundred twenty-five".

Divisors: 1 5 7 25 35 113 175 565 791 2825 3955 19775 51719 258595 362033 1292975 1810165 5844247 9050825 29221235 40909729 146106175 204548645 1022743225