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48312709 is a prime number
BaseRepresentation
bin1011100001001…
…1000110000101
310100220112120121
42320103012011
544332001314
64443301541
71124436244
oct270230605
9110815517
1048312709
11252a9065
121421a8b1
13a017403
1465b895b
154394d24
hex2e13185

48312709 has 2 divisors, whose sum is σ = 48312710. Its totient is φ = 48312708.

The previous prime is 48312707. The next prime is 48312721. The reversal of 48312709 is 90721384.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39727809 + 8584900 = 6303^2 + 2930^2 .

It is a cyclic number.

It is not a de Polignac number, because 48312709 - 21 = 48312707 is a prime.

Together with 48312707, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48312703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24156354 + 24156355.

It is an arithmetic number, because the mean of its divisors is an integer number (24156355).

Almost surely, 248312709 is an apocalyptic number.

It is an amenable number.

48312709 is a deficient number, since it is larger than the sum of its proper divisors (1).

48312709 is an equidigital number, since it uses as much as digits as its factorization.

48312709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 48312709 is about 6950.7344216277. The cubic root of 48312709 is about 364.2116191881.

The spelling of 48312709 in words is "forty-eight million, three hundred twelve thousand, seven hundred nine".