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4394866931 = 713311579923
BaseRepresentation
bin1000001011111010…
…00101100011110011
3102100021201101001022
410011331011203303
533000041220211
62004033130055
7213623516060
oct40575054363
912307641038
104394866931
111955873634
12a279b992b
135506867a0
142d997dc67
151aac72bdb
hex105f458f3

4394866931 has 32 divisors (see below), whose sum is σ = 5619683328. Its totient is φ = 3343317120.

The previous prime is 4394866921. The next prime is 4394866951. The reversal of 4394866931 is 1396684934.

It is not a de Polignac number, because 4394866931 - 214 = 4394850547 is a prime.

It is a super-2 number, since 2×43948669312 = 38629710682394717522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4394866921) 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 31 ways as a sum of consecutive naturals, for example, 437936 + ... + 447858.

It is an arithmetic number, because the mean of its divisors is an integer number (175615104).

Almost surely, 24394866931 is an apocalyptic number.

4394866931 is a deficient number, since it is larger than the sum of its proper divisors (1224816397).

4394866931 is a wasteful number, since it uses less digits than its factorization.

4394866931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10131.

The product of its digits is 3359232, while the sum is 53.

The square root of 4394866931 is about 66293.7925525460. The cubic root of 4394866931 is about 1638.0050761838.

The spelling of 4394866931 in words is "four billion, three hundred ninety-four million, eight hundred sixty-six thousand, nine hundred thirty-one".

Divisors: 1 7 13 31 91 157 217 403 1099 2041 2821 4867 9923 14287 34069 63271 69461 128999 307613 442897 902993 1557911 2153291 3998969 10905377 20252843 27992783 48295241 141769901 338066687 627838133 4394866931