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302223125 = 54483557
BaseRepresentation
bin10010000000111…
…000111100010101
3210001200112012002
4102000320330111
51104332120000
645553405045
710326565661
oct2200707425
9701615162
10302223125
11145662786
1285269785
134a7c8969
142c1d18a1
151b7ec8d5
hex12038f15

302223125 has 10 divisors (see below), whose sum is σ = 377658798. Its totient is φ = 241778000.

The previous prime is 302223109. The next prime is 302223137. The reversal of 302223125 is 521322203.

It can be written as a sum of positive squares in 5 ways, for example, as 50112241 + 252110884 = 7079^2 + 15878^2 .

It is not a de Polignac number, because 302223125 - 24 = 302223109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 302223097 and 302223106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 241154 + ... + 242403.

Almost surely, 2302223125 is an apocalyptic number.

It is an amenable number.

302223125 is a deficient number, since it is larger than the sum of its proper divisors (75435673).

302223125 is an frugal number, since it uses more digits than its factorization.

302223125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483577 (or 483562 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 302223125 is about 17384.5657121482. The cubic root of 302223125 is about 671.0824745761.

Adding to 302223125 its reverse (521322203), we get a palindrome (823545328).

The spelling of 302223125 in words is "three hundred two million, two hundred twenty-three thousand, one hundred twenty-five".

Divisors: 1 5 25 125 625 483557 2417785 12088925 60444625 302223125