Search a number
-
+
4204020340 = 2251321243793
BaseRepresentation
bin1111101010010100…
…0100001001110100
3101211222121100202001
43322211010021310
532102212122330
61533054425044
7206115404032
oct37245041164
911758540661
104204020340
111868072783
12993b02184
1351cc85900
142bc4a1552
151991259ca
hexfa944274

4204020340 has 36 divisors (see below), whose sum is σ = 9559800684. Its totient is φ = 1552252416.

The previous prime is 4204020323. The next prime is 4204020343. The reversal of 4204020340 is 430204024.

It can be written as a sum of positive squares in 6 ways, for example, as 139192804 + 4064827536 = 11798^2 + 63756^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4204020343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 618517 + ... + 625276.

It is an arithmetic number, because the mean of its divisors is an integer number (265550019).

Almost surely, 24204020340 is an apocalyptic number.

It is an amenable number.

4204020340 is an abundant number, since it is smaller than the sum of its proper divisors (5355780344).

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

4204020340 is a wasteful number, since it uses less digits than its factorization.

4204020340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243828 (or 1243813 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 4204020340 is about 64838.4171614329. The cubic root of 4204020340 is about 1613.9432859559.

Adding to 4204020340 its reverse (430204024), we get a palindrome (4634224364).

The spelling of 4204020340 in words is "four billion, two hundred four million, twenty thousand, three hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 169 260 338 676 845 1690 3380 1243793 2487586 4975172 6218965 12437930 16169309 24875860 32338618 64677236 80846545 161693090 210201017 323386180 420402034 840804068 1051005085 2102010170 4204020340