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54430031 is a prime number
BaseRepresentation
bin1100111110100…
…0100101001111
310210102022222002
43033220211033
5102413230111
65222342515
71230435065
oct317504517
9123368862
1054430031
11287a70a7
121628aa3b
13b379926
14732c035
154ba263b
hex33e894f

54430031 has 2 divisors, whose sum is σ = 54430032. Its totient is φ = 54430030.

The previous prime is 54430027. The next prime is 54430043. The reversal of 54430031 is 13003445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54430031 - 22 = 54430027 is a prime.

It is a super-2 number, since 2×544300312 = 5925256549321922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54429985 and 54430012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54439031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27215015 + 27215016.

It is an arithmetic number, because the mean of its divisors is an integer number (27215016).

Almost surely, 254430031 is an apocalyptic number.

54430031 is a deficient number, since it is larger than the sum of its proper divisors (1).

54430031 is an equidigital number, since it uses as much as digits as its factorization.

54430031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 54430031 is about 7377.6711095033. The cubic root of 54430031 is about 378.9770060982.

Adding to 54430031 its reverse (13003445), we get a palindrome (67433476).

The spelling of 54430031 in words is "fifty-four million, four hundred thirty thousand, thirty-one".