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431023043 = 1141399467
BaseRepresentation
bin11001101100001…
…110001111000011
31010001001020110102
4121230032033003
51340320214133
6110434153015
713452430643
oct3154161703
91101036412
10431023043
11201334aa0
1210042276b
136b3b4129
144135c523
1527c907e8
hex19b0e3c3

431023043 has 8 divisors (see below), whose sum is σ = 470370240. Its totient is φ = 391703080.

The previous prime is 431023031. The next prime is 431023051. The reversal of 431023043 is 340320134.

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 431023043 - 26 = 431022979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431023003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40796 + ... + 50262.

It is an arithmetic number, because the mean of its divisors is an integer number (58796280).

Almost surely, 2431023043 is an apocalyptic number.

431023043 is a deficient number, since it is larger than the sum of its proper divisors (39347197).

431023043 is a wasteful number, since it uses less digits than its factorization.

431023043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13617.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 431023043 is about 20761.0944557362. The cubic root of 431023043 is about 755.3823439503.

Adding to 431023043 its reverse (340320134), we get a palindrome (771343177).

The spelling of 431023043 in words is "four hundred thirty-one million, twenty-three thousand, forty-three".

Divisors: 1 11 4139 9467 45529 104137 39183913 431023043