Search a number
-
+
410020420 = 22520501021
BaseRepresentation
bin11000011100000…
…110101001000100
31001120112012021111
4120130012221010
51314431123140
6104404054404
713106054545
oct3034065104
91046465244
10410020420
111a049a457
12b5394404
1366c3c544
143c6524cc
1525ee27ea
hex18706a44

410020420 has 12 divisors (see below), whose sum is σ = 861042924. Its totient is φ = 164008160.

The previous prime is 410020381. The next prime is 410020423. The reversal of 410020420 is 24020014.

It can be written as a sum of positive squares in 2 ways, for example, as 47803396 + 362217024 = 6914^2 + 19032^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 410020420.

It is not an unprimeable number, because it can be changed into a prime (410020423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10250491 + ... + 10250530.

It is an arithmetic number, because the mean of its divisors is an integer number (71753577).

Almost surely, 2410020420 is an apocalyptic number.

It is an amenable number.

410020420 is an abundant number, since it is smaller than the sum of its proper divisors (451022504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

410020420 is a wasteful number, since it uses less digits than its factorization.

410020420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20501030 (or 20501028 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 410020420 is about 20248.9609609975. The cubic root of 410020420 is about 742.9082172195.

Adding to 410020420 its reverse (24020014), we get a palindrome (434040434).

The spelling of 410020420 in words is "four hundred ten million, twenty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 20501021 41002042 82004084 102505105 205010210 410020420