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48879977 is a prime number
BaseRepresentation
bin1011101001110…
…1100101101001
310101222100201112
42322131211221
5100003124402
64503400105
71132321136
oct272354551
9111870645
1048879977
1125656283
1214453035
13a185683
1466c558d
154457e52
hex2e9d969

48879977 has 2 divisors, whose sum is σ = 48879978. Its totient is φ = 48879976.

The previous prime is 48879973. The next prime is 48879979. The reversal of 48879977 is 77997884.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48846121 + 33856 = 6989^2 + 184^2 .

It is a cyclic number.

It is not a de Polignac number, because 48879977 - 22 = 48879973 is a prime.

Together with 48879979, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48879973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24439988 + 24439989.

It is an arithmetic number, because the mean of its divisors is an integer number (24439989).

Almost surely, 248879977 is an apocalyptic number.

It is an amenable number.

48879977 is a deficient number, since it is larger than the sum of its proper divisors (1).

48879977 is an equidigital number, since it uses as much as digits as its factorization.

48879977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7112448, while the sum is 59.

The square root of 48879977 is about 6991.4216723067. The cubic root of 48879977 is about 365.6315506363.

The spelling of 48879977 in words is "forty-eight million, eight hundred seventy-nine thousand, nine hundred seventy-seven".