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48979961 is a prime number
BaseRepresentation
bin1011101011010…
…1111111111001
310102011102212122
42322311333321
5100014324321
64505451025
71133215502
oct272657771
9112142778
1048979961
1125714408
12144a0a75
13a1bc034
14670dba9
1544778ab
hex2eb5ff9

48979961 has 2 divisors, whose sum is σ = 48979962. Its totient is φ = 48979960.

The previous prime is 48979939. The next prime is 48980023. The reversal of 48979961 is 16997984.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41925625 + 7054336 = 6475^2 + 2656^2 .

It is a cyclic number.

It is not a de Polignac number, because 48979961 - 218 = 48717817 is a prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (48979901) 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, 24489980 + 24489981.

It is an arithmetic number, because the mean of its divisors is an integer number (24489981).

Almost surely, 248979961 is an apocalyptic number.

It is an amenable number.

48979961 is a deficient number, since it is larger than the sum of its proper divisors (1).

48979961 is an equidigital number, since it uses as much as digits as its factorization.

48979961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 53.

The square root of 48979961 is about 6998.5684964855. The cubic root of 48979961 is about 365.8806806448.

The spelling of 48979961 in words is "forty-eight million, nine hundred seventy-nine thousand, nine hundred sixty-one".