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1431424430 = 25143142443
BaseRepresentation
bin101010101010001…
…1100110110101110
310200202110220011122
41111110130312232
510412421040210
6354012220542
750320623032
oct12524346656
93622426148
101431424430
116750023a7
1233b46a752
1319a731c07
14d81721c2
1585a00b55
hex5551cdae

1431424430 has 8 divisors (see below), whose sum is σ = 2576563992. Its totient is φ = 572569768.

The previous prime is 1431424417. The next prime is 1431424457. The reversal of 1431424430 is 344241341.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1431424430.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 71571212 + ... + 71571231.

It is an arithmetic number, because the mean of its divisors is an integer number (322070499).

Almost surely, 21431424430 is an apocalyptic number.

1431424430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1431424430 is a deficient number, since it is larger than the sum of its proper divisors (1145139562).

1431424430 is a wasteful number, since it uses less digits than its factorization.

1431424430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143142450.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1431424430 is about 37834.1701375886. The cubic root of 1431424430 is about 1126.9971254815.

Adding to 1431424430 its reverse (344241341), we get a palindrome (1775665771).

The spelling of 1431424430 in words is "one billion, four hundred thirty-one million, four hundred twenty-four thousand, four hundred thirty".

Divisors: 1 2 5 10 143142443 286284886 715712215 1431424430