Search a number
-
+
490733243 = 71113243877
BaseRepresentation
bin11101001111111…
…111111010111011
31021012101211110022
4131033333322323
52001111430433
6120410041055
715106110110
oct3517777273
91235354408
10490733243
11232008170
1211841918b
137a88c200
1449262907
152d137698
hex1d3ffebb

490733243 has 48 divisors (see below), whose sum is σ = 678686976. Its totient is φ = 344373120.

The previous prime is 490733233. The next prime is 490733249. The reversal of 490733243 is 342337094.

It is a happy number.

It is not a de Polignac number, because 490733243 - 216 = 490667707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490733249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 559121 + ... + 559997.

It is an arithmetic number, because the mean of its divisors is an integer number (14139312).

Almost surely, 2490733243 is an apocalyptic number.

490733243 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

490733243 is a deficient number, since it is larger than the sum of its proper divisors (187953733).

490733243 is a wasteful number, since it uses less digits than its factorization.

490733243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964 (or 951 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 35.

The square root of 490733243 is about 22152.4997009367. The cubic root of 490733243 is about 788.7665647853.

The spelling of 490733243 in words is "four hundred ninety million, seven hundred thirty-three thousand, two hundred forty-three".

Divisors: 1 7 11 13 43 77 91 143 169 301 473 559 877 1001 1183 1859 3311 3913 6139 6149 7267 9647 11401 13013 37711 43043 50869 67529 79807 79937 125411 148213 263977 414821 490243 559559 877877 1037491 1630343 2903747 3431701 5392673 6373159 11412401 37748711 44612113 70104749 490733243