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4252631305 = 513315933559
BaseRepresentation
bin1111110101111010…
…0000000100001001
3101222101002001110011
43331132200010021
532202133200210
61541552351521
7210245524666
oct37536400411
911871061404
104252631305
11189255492a
129a82455a1
1352a0759b0
142c4b16a6d
1519d528d8a
hexfd7a0109

4252631305 has 32 divisors (see below), whose sum is σ = 5684152320. Its totient is φ = 3033123840.

The previous prime is 4252631263. The next prime is 4252631309. The reversal of 4252631305 is 5031362524.

It is a happy number.

It is not a de Polignac number, because 4252631305 - 27 = 4252631177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (4252631309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1193116 + ... + 1196674.

It is an arithmetic number, because the mean of its divisors is an integer number (177629760).

Almost surely, 24252631305 is an apocalyptic number.

It is an amenable number.

4252631305 is a deficient number, since it is larger than the sum of its proper divisors (1431521015).

4252631305 is a wasteful number, since it uses less digits than its factorization.

4252631305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4201.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 4252631305 is about 65212.2021173952. The cubic root of 4252631305 is about 1620.1401221327.

Adding to 4252631305 its reverse (5031362524), we get a palindrome (9283993829).

The spelling of 4252631305 in words is "four billion, two hundred fifty-two million, six hundred thirty-one thousand, three hundred five".

Divisors: 1 5 13 31 65 155 403 593 2015 2965 3559 7709 17795 18383 38545 46267 91915 110329 231335 238979 551645 1194895 1434277 2110487 7171385 10552435 27436331 65425097 137181655 327125485 850526261 4252631305