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431066105 = 5139620239
BaseRepresentation
bin11001101100011…
…000101111111001
31010001010102112022
4121230120233321
51340323103410
6110435124225
713453000331
oct3154305771
91101112468
10431066105
11201364388
12100443675
136b3ca902
14413700c1
1527c9d455
hex19b18bf9

431066105 has 8 divisors (see below), whose sum is σ = 521001600. Its totient is φ = 342371376.

The previous prime is 431066057. The next prime is 431066131. The reversal of 431066105 is 501660134.

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 431066105 - 228 = 162630649 is a prime.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 309425 + ... + 310814.

It is an arithmetic number, because the mean of its divisors is an integer number (65125200).

Almost surely, 2431066105 is an apocalyptic number.

It is an amenable number.

431066105 is a deficient number, since it is larger than the sum of its proper divisors (89935495).

431066105 is a wasteful number, since it uses less digits than its factorization.

431066105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620383.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 431066105 is about 20762.1315138885. The cubic root of 431066105 is about 755.4074989792.

The spelling of 431066105 in words is "four hundred thirty-one million, sixty-six thousand, one hundred five".

Divisors: 1 5 139 695 620239 3101195 86213221 431066105