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1312424252 = 222314265481
BaseRepresentation
bin100111000111010…
…0000000100111100
310101110120001121122
41032032200010330
510141440034002
6334121450112
744344264526
oct11616400474
93343501548
101312424252
11613913847
12307640938
1317bb980c9
14c6436a16
157a3466a2
hex4e3a013c

1312424252 has 12 divisors (see below), whose sum is σ = 2396600976. Its totient is φ = 627681120.

The previous prime is 1312424237. The next prime is 1312424257. The reversal of 1312424252 is 2524242131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312424257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7132649 + ... + 7132832.

It is an arithmetic number, because the mean of its divisors is an integer number (199716748).

Almost surely, 21312424252 is an apocalyptic number.

It is an amenable number.

1312424252 is a deficient number, since it is larger than the sum of its proper divisors (1084176724).

1312424252 is a wasteful number, since it uses less digits than its factorization.

1312424252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14265508 (or 14265506 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 1312424252 is about 36227.3964286698. The cubic root of 1312424252 is about 1094.8587217213.

Adding to 1312424252 its reverse (2524242131), we get a palindrome (3836666383).

The spelling of 1312424252 in words is "one billion, three hundred twelve million, four hundred twenty-four thousand, two hundred fifty-two".

Divisors: 1 2 4 23 46 92 14265481 28530962 57061924 328106063 656212126 1312424252