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431004041 = 1333154157
BaseRepresentation
bin11001101100001…
…001100110001001
31010001000021101122
4121230021212021
51340314112131
6110433525025
713452321356
oct3154114611
91101007348
10431004041
11201321796
12100413775
136b3a85a0
144135562d
1527c89d7b
hex19b09989

431004041 has 4 divisors (see below), whose sum is σ = 464158212. Its totient is φ = 397849872.

The previous prime is 431004029. The next prime is 431004047. The reversal of 431004041 is 140400134.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 272118016 + 158886025 = 16496^2 + 12605^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-431004041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431004047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16577066 + ... + 16577091.

It is an arithmetic number, because the mean of its divisors is an integer number (116039553).

Almost surely, 2431004041 is an apocalyptic number.

It is an amenable number.

431004041 is a deficient number, since it is larger than the sum of its proper divisors (33154171).

431004041 is a wasteful number, since it uses less digits than its factorization.

431004041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33154170.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 431004041 is about 20760.6368158590. The cubic root of 431004041 is about 755.3712432396.

Adding to 431004041 its reverse (140400134), we get a palindrome (571404175).

The spelling of 431004041 in words is "four hundred thirty-one million, four thousand, forty-one".

Divisors: 1 13 33154157 431004041