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431350047 = 3263597537
BaseRepresentation
bin11001101101011…
…110000100011111
31010001122212000200
4121231132010133
51340411200142
6110445154543
713455262212
oct3155360437
91101585020
10431350047
11201538747
1210055ba53
136b499c1b
1441405779
1527d0764c
hex19b5e11f

431350047 has 12 divisors (see below), whose sum is σ = 623241840. Its totient is φ = 287483328.

The previous prime is 431350021. The next prime is 431350081. The reversal of 431350047 is 740053134.

It is not a de Polignac number, because 431350047 - 28 = 431349791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 431350047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431350247) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 53463 + ... + 60999.

It is an arithmetic number, because the mean of its divisors is an integer number (51936820).

Almost surely, 2431350047 is an apocalyptic number.

431350047 is a deficient number, since it is larger than the sum of its proper divisors (191891793).

431350047 is a wasteful number, since it uses less digits than its factorization.

431350047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13902 (or 13899 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 431350047 is about 20768.9683662911. The cubic root of 431350047 is about 755.5733241552.

The spelling of 431350047 in words is "four hundred thirty-one million, three hundred fifty thousand, forty-seven".

Divisors: 1 3 9 6359 7537 19077 22611 57231 67833 47927783 143783349 431350047