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49549481 is a prime number
BaseRepresentation
bin1011110100000…
…1000010101001
310110020101002222
42331001002221
5100141040411
64530003425
71141110062
oct275010251
9113211088
1049549481
1125a73293
1214716575
13a35b327
14681b569
15453b4db
hex2f410a9

49549481 has 2 divisors, whose sum is σ = 49549482. Its totient is φ = 49549480.

The previous prime is 49549477. The next prime is 49549499. The reversal of 49549481 is 18494594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42367081 + 7182400 = 6509^2 + 2680^2 .

It is a cyclic number.

It is not a de Polignac number, because 49549481 - 22 = 49549477 is a prime.

It is a super-2 number, since 2×495494812 = 4910302134738722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49549681) 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, 24774740 + 24774741.

It is an arithmetic number, because the mean of its divisors is an integer number (24774741).

Almost surely, 249549481 is an apocalyptic number.

It is an amenable number.

49549481 is a deficient number, since it is larger than the sum of its proper divisors (1).

49549481 is an equidigital number, since it uses as much as digits as its factorization.

49549481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 44.

The square root of 49549481 is about 7039.1392229448. The cubic root of 49549481 is about 367.2933257226.

The spelling of 49549481 in words is "forty-nine million, five hundred forty-nine thousand, four hundred eighty-one".