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45550045 = 514961141
BaseRepresentation
bin1010110111000…
…0100111011101
310011201011220201
42231300213131
543130100140
64304143501
71062111652
oct255604735
9104634821
1045550045
1123791472
1213307b91
13958aab8
146099c29
153eeb49a
hex2b709dd

45550045 has 8 divisors (see below), whose sum is σ = 55027800. Its totient is φ = 36194880.

The previous prime is 45550033. The next prime is 45550069. The reversal of 45550045 is 54005554.

It can be written as a sum of positive squares in 4 ways, for example, as 6749604 + 38800441 = 2598^2 + 6229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45550045 - 25 = 45550013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45549995 and 45550022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29826 + ... + 31315.

It is an arithmetic number, because the mean of its divisors is an integer number (6878475).

Almost surely, 245550045 is an apocalyptic number.

It is an amenable number.

45550045 is a deficient number, since it is larger than the sum of its proper divisors (9477755).

45550045 is a wasteful number, since it uses less digits than its factorization.

45550045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61295.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 45550045 is about 6749.0773443486. The cubic root of 45550045 is about 357.1326887391.

Adding to 45550045 its reverse (54005554), we get a palindrome (99555599).

The spelling of 45550045 in words is "forty-five million, five hundred fifty thousand, forty-five".

Divisors: 1 5 149 745 61141 305705 9110009 45550045