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1002305225 = 5271564679
BaseRepresentation
bin111011101111011…
…111011011001001
32120212000101021202
4323233133123021
54023042231400
6243242513545
733560311445
oct7357373311
92525011252
101002305225
11474858829
1223b8058b5
1312c86651c
149718b825
155ced94d5
hex3bbdf6c9

1002305225 has 12 divisors (see below), whose sum is σ = 1260365760. Its totient is φ = 790549200.

The previous prime is 1002305219. The next prime is 1002305243. The reversal of 1002305225 is 5225032001.

It is not a de Polignac number, because 1002305225 - 224 = 985528009 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1002305197 and 1002305206.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280565 + ... + 284114.

It is an arithmetic number, because the mean of its divisors is an integer number (105030480).

Almost surely, 21002305225 is an apocalyptic number.

It is an amenable number.

1002305225 is a deficient number, since it is larger than the sum of its proper divisors (258060535).

1002305225 is an equidigital number, since it uses as much as digits as its factorization.

1002305225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564760 (or 564755 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1002305225 is about 31659.2044277806. The cubic root of 1002305225 is about 1000.7678186370.

Adding to 1002305225 its reverse (5225032001), we get a palindrome (6227337226).

The spelling of 1002305225 in words is "one billion, two million, three hundred five thousand, two hundred twenty-five".

Divisors: 1 5 25 71 355 1775 564679 2823395 14116975 40092209 200461045 1002305225