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48879449 is a prime number
BaseRepresentation
bin1011101001110…
…1011101011001
310101222022222222
42322131131121
5100003120244
64503353425
71132316453
oct272353531
9111868888
1048879449
1125655943
1214452875
13a185368
1466c52d3
154457bee
hex2e9d759

48879449 has 2 divisors, whose sum is σ = 48879450. Its totient is φ = 48879448.

The previous prime is 48879427. The next prime is 48879451. The reversal of 48879449 is 94497884.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47334400 + 1545049 = 6880^2 + 1243^2 .

It is a cyclic number.

It is not a de Polignac number, because 48879449 - 216 = 48813913 is a prime.

Together with 48879451, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 48879449.

It is not a weakly prime, because it can be changed into another prime (48879469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24439724 + 24439725.

It is an arithmetic number, because the mean of its divisors is an integer number (24439725).

Almost surely, 248879449 is an apocalyptic number.

It is an amenable number.

48879449 is a deficient number, since it is larger than the sum of its proper divisors (1).

48879449 is an equidigital number, since it uses as much as digits as its factorization.

48879449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 53.

The square root of 48879449 is about 6991.3839116444. The cubic root of 48879449 is about 365.6302341180.

The spelling of 48879449 in words is "forty-eight million, eight hundred seventy-nine thousand, four hundred forty-nine".