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45310225 = 521812409
BaseRepresentation
bin1010110011011…
…0000100010001
310011020222221111
42230312010101
543044411400
64255053321
71060062532
oct254660421
9104228844
1045310225
1123638274
1213211241
1395058ac
146036689
153ea03ba
hex2b36111

45310225 has 6 divisors (see below), whose sum is σ = 56184710. Its totient is φ = 36248160.

The previous prime is 45310211. The next prime is 45310229. The reversal of 45310225 is 52201354.

It can be written as a sum of positive squares in 3 ways, for example, as 138384 + 45171841 = 372^2 + 6721^2 .

It is a de Polignac number, because none of the positive numbers 2k-45310225 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45310196 and 45310205.

It is not an unprimeable number, because it can be changed into a prime (45310229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 906180 + ... + 906229.

Almost surely, 245310225 is an apocalyptic number.

It is an amenable number.

45310225 is a deficient number, since it is larger than the sum of its proper divisors (10874485).

45310225 is a wasteful number, since it uses less digits than its factorization.

45310225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812419 (or 1812414 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 45310225 is about 6731.2870240393. The cubic root of 45310225 is about 356.5048202524.

Adding to 45310225 its reverse (52201354), we get a palindrome (97511579).

The spelling of 45310225 in words is "forty-five million, three hundred ten thousand, two hundred twenty-five".

Divisors: 1 5 25 1812409 9062045 45310225