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45505305 = 3251011229
BaseRepresentation
bin1010110110010…
…1101100011001
310011121220112200
42231211230121
543122132210
64303200413
71061534346
oct255455431
9104556480
1045505305
112376089a
12132a6109
139573621
1460877cd
153edd0c0
hex2b65b19

45505305 has 12 divisors (see below), whose sum is σ = 78875940. Its totient is φ = 24269472.

The previous prime is 45505279. The next prime is 45505333. The reversal of 45505305 is 50350554.

It can be written as a sum of positive squares in 2 ways, for example, as 33143049 + 12362256 = 5757^2 + 3516^2 .

It is not a de Polignac number, because 45505305 - 213 = 45497113 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 505570 + ... + 505659.

It is an arithmetic number, because the mean of its divisors is an integer number (6572995).

Almost surely, 245505305 is an apocalyptic number.

45505305 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45505305 is a deficient number, since it is larger than the sum of its proper divisors (33370635).

45505305 is a wasteful number, since it uses less digits than its factorization.

45505305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011240 (or 1011237 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 45505305 is about 6745.7620029171. The cubic root of 45505305 is about 357.0157232441.

Adding to 45505305 its reverse (50350554), we get a palindrome (95855859).

The spelling of 45505305 in words is "forty-five million, five hundred five thousand, three hundred five".

Divisors: 1 3 5 9 15 45 1011229 3033687 5056145 9101061 15168435 45505305