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49468789 is a prime number
BaseRepresentation
bin1011110010110…
…1010101110101
310110002021102101
42330231111311
5100131000124
64524142101
71140322606
oct274552565
9113067371
1049468789
1125a186a7
1214697931
13a330696
1467d9dad
154522644
hex2f2d575

49468789 has 2 divisors, whose sum is σ = 49468790. Its totient is φ = 49468788.

The previous prime is 49468787. The next prime is 49468807. The reversal of 49468789 is 98786494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34023889 + 15444900 = 5833^2 + 3930^2 .

It is a cyclic number.

It is not a de Polignac number, because 49468789 - 21 = 49468787 is a prime.

It is a super-2 number, since 2×494687892 = 4894322170253042, which contains 22 as substring.

Together with 49468787, 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 (49468787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24734394 + 24734395.

It is an arithmetic number, because the mean of its divisors is an integer number (24734395).

Almost surely, 249468789 is an apocalyptic number.

It is an amenable number.

49468789 is a deficient number, since it is larger than the sum of its proper divisors (1).

49468789 is an equidigital number, since it uses as much as digits as its factorization.

49468789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 55.

The square root of 49468789 is about 7033.4052208017. The cubic root of 49468789 is about 367.0938366769.

The spelling of 49468789 in words is "forty-nine million, four hundred sixty-eight thousand, seven hundred eighty-nine".