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1324431430 = 25718920449
BaseRepresentation
bin100111011110001…
…0011100001000110
310102022011002100221
41032330103201012
510203023301210
6335231054554
744551324060
oct11674234106
93368132327
101324431430
1161a674a33
1230b67145a
1318151044a
14c7c80730
157b4191da
hex4ef13846

1324431430 has 16 divisors (see below), whose sum is σ = 2724544800. Its totient is φ = 454090752.

The previous prime is 1324431401. The next prime is 1324431491. The reversal of 1324431430 is 341344231.

It is a super-2 number, since 2×13244314302 = 3508237225543689800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1324431395 and 1324431404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9460155 + ... + 9460294.

It is an arithmetic number, because the mean of its divisors is an integer number (170284050).

Almost surely, 21324431430 is an apocalyptic number.

1324431430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1324431430 is an abundant number, since it is smaller than the sum of its proper divisors (1400113370).

1324431430 is a wasteful number, since it uses less digits than its factorization.

1324431430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18920463.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1324431430 is about 36392.7386988119. The cubic root of 1324431430 is about 1098.1874916913.

Adding to 1324431430 its reverse (341344231), we get a palindrome (1665775661).

The spelling of 1324431430 in words is "one billion, three hundred twenty-four million, four hundred thirty-one thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 18920449 37840898 94602245 132443143 189204490 264886286 662215715 1324431430