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49015469 is a prime number
BaseRepresentation
bin1011101011111…
…0101010101101
310102020020120202
42322332222231
5100021443334
64510323245
71133424146
oct272765255
9112206522
1049015469
1125739058
12144b9525
13a202249
14671cacd
15448317e
hex2ebeaad

49015469 has 2 divisors, whose sum is σ = 49015470. Its totient is φ = 49015468.

The previous prime is 49015457. The next prime is 49015559. The reversal of 49015469 is 96451094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29106025 + 19909444 = 5395^2 + 4462^2 .

It is a cyclic number.

It is not a de Polignac number, because 49015469 - 212 = 49011373 is a prime.

It is a super-2 number, since 2×490154692 = 4805032402579922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49015409) 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, 24507734 + 24507735.

It is an arithmetic number, because the mean of its divisors is an integer number (24507735).

Almost surely, 249015469 is an apocalyptic number.

It is an amenable number.

49015469 is a deficient number, since it is larger than the sum of its proper divisors (1).

49015469 is an equidigital number, since it uses as much as digits as its factorization.

49015469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 49015469 is about 7001.1048413804. The cubic root of 49015469 is about 365.9690742978.

The spelling of 49015469 in words is "forty-nine million, fifteen thousand, four hundred sixty-nine".