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49010069 is a prime number
BaseRepresentation
bin1011101011110…
…1010110010101
310102012222011202
42322331112111
5100021310234
64510242245
71133402333
oct272752625
9112188152
1049010069
1125734a99
12144b6385
13a1cc954
14671ab53
15448177e
hex2ebd595

49010069 has 2 divisors, whose sum is σ = 49010070. Its totient is φ = 49010068.

The previous prime is 49010041. The next prime is 49010077. The reversal of 49010069 is 96001094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48135844 + 874225 = 6938^2 + 935^2 .

It is a cyclic number.

It is not a de Polignac number, because 49010069 - 28 = 49009813 is a prime.

It is a super-2 number, since 2×490100692 = 4803973726769522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49310069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24505034 + 24505035.

It is an arithmetic number, because the mean of its divisors is an integer number (24505035).

Almost surely, 249010069 is an apocalyptic number.

It is an amenable number.

49010069 is a deficient number, since it is larger than the sum of its proper divisors (1).

49010069 is an equidigital number, since it uses as much as digits as its factorization.

49010069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 49010069 is about 7000.7191773417. The cubic root of 49010069 is about 365.9556342851.

Subtracting 49010069 from its reverse (96001094), we obtain a square (46991025 = 68552).

The spelling of 49010069 in words is "forty-nine million, ten thousand, sixty-nine".