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450020054 = 211219971009
BaseRepresentation
bin11010110100101…
…100001011010110
31011100210101110102
4122310230023112
51410201120204
6112353254102
714103051551
oct3264541326
91140711412
10450020054
1121102a800
12106864332
1372305b73
1443aa5698
152979441e
hex1ad2c2d6

450020054 has 48 divisors (see below), whose sum is σ = 789860400. Its totient is φ = 191600640.

The previous prime is 450020033. The next prime is 450020083.

It is a happy number.

450020054 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 445502 + ... + 446510.

It is an arithmetic number, because the mean of its divisors is an integer number (16455425).

Almost surely, 2450020054 is an apocalyptic number.

450020054 is a deficient number, since it is larger than the sum of its proper divisors (339840346).

450020054 is a wasteful number, since it uses less digits than its factorization.

450020054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 450020054 is about 21213.6761076434. The cubic root of 450020054 is about 766.3208156092.

The spelling of 450020054 in words is "four hundred fifty million, twenty thousand, fifty-four".

Divisors: 1 2 11 19 22 38 97 121 194 209 242 418 1009 1067 1843 2018 2134 2299 3686 4598 11099 11737 19171 20273 22198 23474 38342 40546 97873 122089 195746 210881 223003 244178 421762 446006 1076603 1859587 2153206 2319691 3719174 4639382 11842633 20455457 23685266 40910914 225010027 450020054