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1243245314 = 2976408481
BaseRepresentation
bin100101000011010…
…0110101100000010
310012122101101221202
41022012212230002
510021232322224
6323211021202
742544260623
oct11206465402
93178341852
101243245314
11588863673
122a843a802
1316a75621c
14bb189a4a
157422deae
hex4a1a6b02

1243245314 has 8 divisors (see below), whose sum is σ = 1884093708. Its totient is φ = 615214080.

The previous prime is 1243245253. The next prime is 1243245317. The reversal of 1243245314 is 4135423421.

It can be written as a sum of positive squares in 2 ways, for example, as 1153621225 + 89624089 = 33965^2 + 9467^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1243245317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3204047 + ... + 3204434.

Almost surely, 21243245314 is an apocalyptic number.

1243245314 is a deficient number, since it is larger than the sum of its proper divisors (640848394).

1243245314 is an equidigital number, since it uses as much as digits as its factorization.

1243245314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6408580.

The product of its digits is 11520, while the sum is 29.

The square root of 1243245314 is about 35259.6839747607. The cubic root of 1243245314 is about 1075.2735021420.

Adding to 1243245314 its reverse (4135423421), we get a palindrome (5378668735).

The spelling of 1243245314 in words is "one billion, two hundred forty-three million, two hundred forty-five thousand, three hundred fourteen".

Divisors: 1 2 97 194 6408481 12816962 621622657 1243245314