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48771493 is a prime number
BaseRepresentation
bin1011101000001…
…1000110100101
310101202211220121
42322003012211
544441141433
64501201541
71131356641
oct272030645
9111684817
1048771493
1125591821
12144002b1
13a148194
146697c21
154435c2d
hex2e831a5

48771493 has 2 divisors, whose sum is σ = 48771494. Its totient is φ = 48771492.

The previous prime is 48771491. The next prime is 48771551. The reversal of 48771493 is 39417784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42536484 + 6235009 = 6522^2 + 2497^2 .

It is a cyclic number.

It is not a de Polignac number, because 48771493 - 21 = 48771491 is a prime.

Together with 48771491, 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 (48771491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24385746 + 24385747.

It is an arithmetic number, because the mean of its divisors is an integer number (24385747).

Almost surely, 248771493 is an apocalyptic number.

It is an amenable number.

48771493 is a deficient number, since it is larger than the sum of its proper divisors (1).

48771493 is an equidigital number, since it uses as much as digits as its factorization.

48771493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 43.

The square root of 48771493 is about 6983.6589979752. The cubic root of 48771493 is about 365.3608566081.

The spelling of 48771493 in words is "forty-eight million, seven hundred seventy-one thousand, four hundred ninety-three".