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49430489 is a prime number
BaseRepresentation
bin1011110010001…
…1111111011001
310110000022212212
42330203333121
5100123233424
64523244505
71140103133
oct274437731
9113008785
1049430489
11259a1949
1214679735
13a319114
1467ca053
15451610e
hex2f23fd9

49430489 has 2 divisors, whose sum is σ = 49430490. Its totient is φ = 49430488.

The previous prime is 49430477. The next prime is 49430501. The reversal of 49430489 is 98403494.

It is a balanced prime because it is at equal distance from previous prime (49430477) and next prime (49430501).

It can be written as a sum of positive squares in only one way, i.e., 28270489 + 21160000 = 5317^2 + 4600^2 .

It is a cyclic number.

It is not a de Polignac number, because 49430489 - 28 = 49430233 is a prime.

It is not a weakly prime, because it can be changed into another prime (49430449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24715244 + 24715245.

It is an arithmetic number, because the mean of its divisors is an integer number (24715245).

Almost surely, 249430489 is an apocalyptic number.

It is an amenable number.

49430489 is a deficient number, since it is larger than the sum of its proper divisors (1).

49430489 is an equidigital number, since it uses as much as digits as its factorization.

49430489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 49430489 is about 7030.6819726112. The cubic root of 49430489 is about 366.9990744086. Note that the first 3 decimals are identical.

The spelling of 49430489 in words is "forty-nine million, four hundred thirty thousand, four hundred eighty-nine".