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545130045 = 32519727877
BaseRepresentation
bin100000011111100…
…000011000111101
31101222202110211200
4200133200120331
52104023130140
6130032010113
716336346265
oct4037403075
91358673750
10545130045
1125a7912a9
12132690939
1388c26975
14525827a5
1532cd0030
hex207e063d

545130045 has 48 divisors (see below), whose sum is σ = 997127040. Its totient is φ = 274741632.

The previous prime is 545129999. The next prime is 545130067. The reversal of 545130045 is 540031545.

It is not a de Polignac number, because 545130045 - 212 = 545125949 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 621147 + ... + 622023.

It is an arithmetic number, because the mean of its divisors is an integer number (20773480).

Almost surely, 2545130045 is an apocalyptic number.

It is an amenable number.

545130045 is a deficient number, since it is larger than the sum of its proper divisors (451996995).

545130045 is a wasteful number, since it uses less digits than its factorization.

545130045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634 (or 1631 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 545130045 is about 23348.0201516103. The cubic root of 545130045 is about 816.8958811458.

The spelling of 545130045 in words is "five hundred forty-five million, one hundred thirty thousand, forty-five".

Divisors: 1 3 5 9 15 19 45 57 95 171 285 727 855 877 2181 2631 3635 4385 6543 7893 10905 13155 13813 16663 32715 39465 41439 49989 69065 83315 124317 149967 207195 249945 621585 637579 749835 1912737 3187895 5738211 9563685 12114001 28691055 36342003 60570005 109026009 181710015 545130045