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1313325242 = 2172611932
BaseRepresentation
bin100111001000111…
…1100000010111010
310101112020211112122
41032101330002322
510142202401432
6334153041242
744355036365
oct11621740272
93345224478
101313325242
11614379769
123079b6222
1317c122238
14c65cd0dc
157a473612
hex4e47c0ba

1313325242 has 36 divisors (see below), whose sum is σ = 2138070186. Its totient is φ = 604753920.

The previous prime is 1313325203. The next prime is 1313325257. The reversal of 1313325242 is 2425233131.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 17397241 + 1295928001 = 4171^2 + 35999^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6804698 + ... + 6804890.

Almost surely, 21313325242 is an apocalyptic number.

1313325242 is a deficient number, since it is larger than the sum of its proper divisors (824744944).

1313325242 is an equidigital number, since it uses as much as digits as its factorization.

1313325242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 273 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 1313325242 is about 36239.8294973914. The cubic root of 1313325242 is about 1095.1092075703.

Adding to 1313325242 its reverse (2425233131), we get a palindrome (3738558373).

The spelling of 1313325242 in words is "one billion, three hundred thirteen million, three hundred twenty-five thousand, two hundred forty-two".

Divisors: 1 2 17 34 61 122 193 289 386 578 1037 2074 3281 6562 11773 17629 23546 35258 37249 55777 74498 111554 200141 400282 633233 1266466 2272189 3402397 4544378 6804794 10764961 21529922 38627213 77254426 656662621 1313325242