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2953538945 = 572175771229
BaseRepresentation
bin1011000000001011…
…0110110110000001
321121211121022202022
42300002312312001
522022101221240
61205024331225
7133122444500
oct26002666601
97554538668
102953538945
111286217585
126a5173b15
13380b97ba6
14200390837
151244679b5
hexb00b6d81

2953538945 has 48 divisors (see below), whose sum is σ = 4376546640. Its totient is φ = 1901297664.

The previous prime is 2953538921. The next prime is 2953538947. The reversal of 2953538945 is 5498353592.

It can be written as a sum of positive squares in 8 ways, for example, as 1411955776 + 1541583169 = 37576^2 + 39263^2 .

It is not a de Polignac number, because 2953538945 - 216 = 2953473409 is a prime.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2953538947) 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 47 ways as a sum of consecutive naturals, for example, 2402591 + ... + 2403819.

It is an arithmetic number, because the mean of its divisors is an integer number (91178055).

Almost surely, 22953538945 is an apocalyptic number.

It is an amenable number.

2953538945 is a deficient number, since it is larger than the sum of its proper divisors (1423007695).

2953538945 is a wasteful number, since it uses less digits than its factorization.

2953538945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842 (or 1835 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 53.

The square root of 2953538945 is about 54346.4713205927. The cubic root of 2953538945 is about 1434.7654187240.

The spelling of 2953538945 in words is "two billion, nine hundred fifty-three million, five hundred thirty-eight thousand, nine hundred forty-five".

Divisors: 1 5 7 17 35 49 85 119 245 577 595 833 1229 2885 4039 4165 6145 8603 9809 20195 20893 28273 43015 49045 60221 68663 104465 141365 146251 301105 343315 480641 709133 731255 1023757 2403205 3545665 4963931 5118785 12055261 24819655 34747517 60276305 84386827 173737585 421934135 590707789 2953538945