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479780131 is a prime number
BaseRepresentation
bin11100100110001…
…101110100100011
31020102210100121111
4130212031310203
51440310431011
6115335204151
714614030615
oct3446156443
91212710544
10479780131
11226906a06
12114816657
137852588c
1447a10db5
152c1c2121
hex1c98dd23

479780131 has 2 divisors, whose sum is σ = 479780132. Its totient is φ = 479780130.

The previous prime is 479780123. The next prime is 479780141. The reversal of 479780131 is 131087974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 479780131 - 23 = 479780123 is a prime.

It is a super-2 number, since 2×4797801312 = 460377948204754322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (479780101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239890065 + 239890066.

It is an arithmetic number, because the mean of its divisors is an integer number (239890066).

Almost surely, 2479780131 is an apocalyptic number.

479780131 is a deficient number, since it is larger than the sum of its proper divisors (1).

479780131 is an equidigital number, since it uses as much as digits as its factorization.

479780131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 479780131 is about 21903.8839250029. The cubic root of 479780131 is about 782.8539602486.

The spelling of 479780131 in words is "four hundred seventy-nine million, seven hundred eighty thousand, one hundred thirty-one".