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48947939 is a prime number
BaseRepresentation
bin1011101010111…
…0001011100011
310102002210221122
42322232023203
5100012313224
64505042455
71133023235
oct272561343
9112083848
1048947939
11256a2347
121448642b
13a1aa5a1
146702255
15446d15e
hex2eae2e3

48947939 has 2 divisors, whose sum is σ = 48947940. Its totient is φ = 48947938.

The previous prime is 48947903. The next prime is 48947957. The reversal of 48947939 is 93974984.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 48947939 - 28 = 48947683 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (48947039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24473969 + 24473970.

It is an arithmetic number, because the mean of its divisors is an integer number (24473970).

Almost surely, 248947939 is an apocalyptic number.

48947939 is a deficient number, since it is larger than the sum of its proper divisors (1).

48947939 is an equidigital number, since it uses as much as digits as its factorization.

48947939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 53.

The square root of 48947939 is about 6996.2803688817. The cubic root of 48947939 is about 365.8009284011.

The spelling of 48947939 in words is "forty-eight million, nine hundred forty-seven thousand, nine hundred thirty-nine".