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50022109 = 172942477
BaseRepresentation
bin1011111011010…
…0011011011101
310111010101102201
42332310123131
5100301201414
64544051501
71145116024
oct276643335
9114111381
1050022109
1126266395
1214903b91
13a4954a7
1469018bb
1545d1574
hex2fb46dd

50022109 has 4 divisors (see below), whose sum is σ = 52964604. Its totient is φ = 47079616.

The previous prime is 50022107. The next prime is 50022121. The reversal of 50022109 is 90122005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90122005 = 518024401.

It can be written as a sum of positive squares in 2 ways, for example, as 44156025 + 5866084 = 6645^2 + 2422^2 .

It is a cyclic number.

It is not a de Polignac number, because 50022109 - 21 = 50022107 is a prime.

It is a super-2 number, since 2×500221092 = 5004422777615762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50022107) 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 in 3 ways as a sum of consecutive naturals, for example, 1471222 + ... + 1471255.

It is an arithmetic number, because the mean of its divisors is an integer number (13241151).

Almost surely, 250022109 is an apocalyptic number.

It is an amenable number.

50022109 is a deficient number, since it is larger than the sum of its proper divisors (2942495).

50022109 is a wasteful number, since it uses less digits than its factorization.

50022109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942494.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 50022109 is about 7072.6309814665. The cubic root of 50022109 is about 368.4574420308.

The spelling of 50022109 in words is "fifty million, twenty-two thousand, one hundred nine".

Divisors: 1 17 2942477 50022109