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2544432949 is a prime number
BaseRepresentation
bin1001011110101000…
…1111011100110101
320120022210120211101
42113222033130311
520202333323244
61100252010101
7120024215602
oct22752173465
96508716741
102544432949
1110962a2153
125b0160931
133171b8936
141a1cd96a9
15ed5a60d4
hex97a8f735

2544432949 has 2 divisors, whose sum is σ = 2544432950. Its totient is φ = 2544432948.

The previous prime is 2544432883. The next prime is 2544432953. The reversal of 2544432949 is 9492344452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2473570225 + 70862724 = 49735^2 + 8418^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2544432949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2544432899 and 2544432908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2544432049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272216474 + 1272216475.

It is an arithmetic number, because the mean of its divisors is an integer number (1272216475).

Almost surely, 22544432949 is an apocalyptic number.

It is an amenable number.

2544432949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2544432949 is an equidigital number, since it uses as much as digits as its factorization.

2544432949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 46.

The square root of 2544432949 is about 50442.3725552238. The cubic root of 2544432949 is about 1365.2022758823.

The spelling of 2544432949 in words is "two billion, five hundred forty-four million, four hundred thirty-two thousand, nine hundred forty-nine".