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453145893 = 310110691399
BaseRepresentation
bin11011000000100…
…111010100100101
31011120200012022020
4123000213110211
51412001132033
6112544253353
714141451024
oct3300472445
91146605266
10453145893
11212875242
12107911259
1372b5b885
144427a8bb
1529bb06b3
hex1b027525

453145893 has 16 divisors (see below), whose sum is σ = 611184000. Its totient is φ = 298612800.

The previous prime is 453145883. The next prime is 453145937. The reversal of 453145893 is 398541354.

It is not a de Polignac number, because 453145893 - 212 = 453141797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453145853) 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 15 ways as a sum of consecutive naturals, for example, 323208 + ... + 324606.

It is an arithmetic number, because the mean of its divisors is an integer number (38199000).

Almost surely, 2453145893 is an apocalyptic number.

It is an amenable number.

453145893 is a deficient number, since it is larger than the sum of its proper divisors (158038107).

453145893 is a wasteful number, since it uses less digits than its factorization.

453145893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572.

The product of its digits is 259200, while the sum is 42.

The square root of 453145893 is about 21287.2237034330. The cubic root of 453145893 is about 768.0910112819.

The spelling of 453145893 in words is "four hundred fifty-three million, one hundred forty-five thousand, eight hundred ninety-three".

Divisors: 1 3 101 303 1069 1399 3207 4197 107969 141299 323907 423897 1495531 4486593 151048631 453145893