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45550229 = 370912281
BaseRepresentation
bin1010110111000…
…0101010010101
310011201012011112
42231300222111
543130101404
64304144405
71062112334
oct255605225
9104635145
1045550229
112379161a
1213308105
13958abca
146099d1b
153eeb56e
hex2b70a95

45550229 has 4 divisors (see below), whose sum is σ = 45566220. Its totient is φ = 45534240.

The previous prime is 45550181. The next prime is 45550231. The reversal of 45550229 is 92205554.

45550229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26801329 + 18748900 = 5177^2 + 4330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45550229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45550195 and 45550204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45550249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2432 + ... + 9849.

It is an arithmetic number, because the mean of its divisors is an integer number (11391555).

Almost surely, 245550229 is an apocalyptic number.

It is an amenable number.

45550229 is a deficient number, since it is larger than the sum of its proper divisors (15991).

45550229 is a wasteful number, since it uses less digits than its factorization.

45550229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15990.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 45550229 is about 6749.0909758278. The cubic root of 45550229 is about 357.1331696191.

The spelling of 45550229 in words is "forty-five million, five hundred fifty thousand, two hundred twenty-nine".

Divisors: 1 3709 12281 45550229