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5454505450 = 252109090109
BaseRepresentation
bin1010001010001110…
…10010010111101010
3112002010121120211101
411011013102113222
542132323133300
62301124552014
7252111350152
oct50507222752
915063546741
105454505450
112349a20749
12108285260a
1368c075224
1439a5b3762
1521dcd4b6a
hex1451d25ea

5454505450 has 12 divisors (see below), whose sum is σ = 10145380230. Its totient is φ = 2181802160.

The previous prime is 5454505421. The next prime is 5454505457. The reversal of 5454505450 is 545054545.

It can be written as a sum of positive squares in 3 ways, for example, as 4136161969 + 1318343481 = 64313^2 + 36309^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (5454505457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54545005 + ... + 54545104.

Almost surely, 25454505450 is an apocalyptic number.

5454505450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5454505450 is a deficient number, since it is larger than the sum of its proper divisors (4690874780).

5454505450 is a wasteful number, since it uses less digits than its factorization.

5454505450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109090121 (or 109090116 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 37.

The square root of 5454505450 is about 73854.6237550500. The cubic root of 5454505450 is about 1760.2936676377.

Adding to 5454505450 its reverse (545054545), we get a palindrome (5999559995).

The spelling of 5454505450 in words is "five billion, four hundred fifty-four million, five hundred five thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 109090109 218180218 545450545 1090901090 2727252725 5454505450