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431541245 = 5193447193
BaseRepresentation
bin11001101110001…
…100101111111101
31010002000120022002
4121232030233331
51340433304440
6110453232045
713460016512
oct3156145775
91102016262
10431541245
11201659363
12100632625
136b535c65
1441455309
1527d44115
hex19b8cbfd

431541245 has 8 divisors (see below), whose sum is σ = 520533816. Its totient is φ = 343443456.

The previous prime is 431541233. The next prime is 431541283. The reversal of 431541245 is 542145134.

431541245 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 101828281 + 329712964 = 10091^2 + 18158^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 431541245 - 212 = 431537149 is a prime.

It is a super-2 number, since 2×4315412452 = 372455692272300050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222632 + ... + 224561.

It is an arithmetic number, because the mean of its divisors is an integer number (65066727).

Almost surely, 2431541245 is an apocalyptic number.

It is an amenable number.

431541245 is a deficient number, since it is larger than the sum of its proper divisors (88992571).

431541245 is a wasteful number, since it uses less digits than its factorization.

431541245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447391.

The product of its digits is 9600, while the sum is 29.

The square root of 431541245 is about 20773.5708293014. The cubic root of 431541245 is about 755.6849448446.

Adding to 431541245 its reverse (542145134), we get a palindrome (973686379).

The spelling of 431541245 in words is "four hundred thirty-one million, five hundred forty-one thousand, two hundred forty-five".

Divisors: 1 5 193 965 447193 2235965 86308249 431541245