Search a number
-
+
404310220 = 22543946049
BaseRepresentation
bin11000000110010…
…100100011001100
31001011210002100121
4120012110203030
51312000411340
6104041434324
713006402666
oct3006244314
91034702317
10404310220
1119824a286
12b349b9a4
13659c0422
143b9a7536
152576594a
hex181948cc

404310220 has 24 divisors (see below), whose sum is σ = 851004000. Its totient is φ = 161352192.

The previous prime is 404310217. The next prime is 404310233. The reversal of 404310220 is 22013404.

It is a junction number, because it is equal to n+sod(n) for n = 404310194 and 404310203.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14245 + ... + 31804.

It is an arithmetic number, because the mean of its divisors is an integer number (35458500).

Almost surely, 2404310220 is an apocalyptic number.

It is an amenable number.

404310220 is an abundant number, since it is smaller than the sum of its proper divisors (446693780).

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

404310220 is a wasteful number, since it uses less digits than its factorization.

404310220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46497 (or 46495 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 404310220 is about 20107.4667723212. The cubic root of 404310220 is about 739.4433481132.

Adding to 404310220 its reverse (22013404), we get a palindrome (426323624).

The spelling of 404310220 in words is "four hundred four million, three hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 439 878 1756 2195 4390 8780 46049 92098 184196 230245 460490 920980 20215511 40431022 80862044 101077555 202155110 404310220