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2252307240 = 233256256409
BaseRepresentation
bin1000011000111111…
…0111101100101000
312210222010001200200
42012033313230220
514103042312430
61011254432200
7106546203261
oct20617675450
95728101620
102252307240
11a56406847
1252a362660
1329b816ca1
141751b5968
15d2b00460
hex863f7b28

2252307240 has 48 divisors (see below), whose sum is σ = 7319999700. Its totient is φ = 600615168.

The previous prime is 2252307217. The next prime is 2252307251. The reversal of 2252307240 is 427032522.

It can be written as a sum of positive squares in 2 ways, for example, as 2233696644 + 18610596 = 47262^2 + 4314^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3127845 + ... + 3128564.

Almost surely, 22252307240 is an apocalyptic number.

2252307240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2252307240 is an abundant number, since it is smaller than the sum of its proper divisors (5067692460).

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

2252307240 is a wasteful number, since it uses less digits than its factorization.

2252307240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6256426 (or 6256419 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 2252307240 is about 47458.4791159599. The cubic root of 2252307240 is about 1310.8184462686.

Adding to 2252307240 its reverse (427032522), we get a palindrome (2679339762).

The spelling of 2252307240 in words is "two billion, two hundred fifty-two million, three hundred seven thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 6256409 12512818 18769227 25025636 31282045 37538454 50051272 56307681 62564090 75076908 93846135 112615362 125128180 150153816 187692270 225230724 250256360 281538405 375384540 450461448 563076810 750769080 1126153620 2252307240