Search a number
-
+
2205352240 = 2457132313171
BaseRepresentation
bin1000001101110011…
…0000000100110000
312200200202111112121
42003130300010300
514004032232430
61002500204024
7105436120240
oct20334600460
95620674477
102205352240
11a31955863
12516699614
13291b86870
1416cc71b20
15cd927a7a
hex83730130

2205352240 has 160 divisors (see below), whose sum is σ = 6585578496. Its totient is φ = 667560960.

The previous prime is 2205352231. The next prime is 2205352243. The reversal of 2205352240 is 422535022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2205352243) 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 31 ways as a sum of consecutive naturals, for example, 160855 + ... + 174025.

Almost surely, 22205352240 is an apocalyptic number.

2205352240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2205352240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3292789248).

2205352240 is an abundant number, since it is smaller than the sum of its proper divisors (4380226256).

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

2205352240 is a wasteful number, since it uses less digits than its factorization.

2205352240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13227 (or 13221 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 2205352240 is about 46961.1780090747. The cubic root of 2205352240 is about 1301.6453014163.

Adding to 2205352240 its reverse (422535022), we get a palindrome (2627887262).

The spelling of 2205352240 in words is "two billion, two hundred five million, three hundred fifty-two thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 13 14 16 20 23 26 28 35 40 46 52 56 65 70 80 91 92 104 112 115 130 140 161 182 184 208 230 260 280 299 322 364 368 455 460 520 560 598 644 728 805 910 920 1040 1196 1288 1456 1495 1610 1820 1840 2093 2392 2576 2990 3220 3640 4186 4784 5980 6440 7280 8372 10465 11960 12880 13171 16744 20930 23920 26342 33488 41860 52684 65855 83720 92197 105368 131710 167440 171223 184394 210736 263420 302933 342446 368788 460985 526840 605866 684892 737576 856115 921970 1053680 1198561 1211732 1369784 1475152 1514665 1712230 1843940 2120531 2397122 2423464 2739568 3029330 3424460 3687880 3938129 4241062 4794244 4846928 5992805 6058660 6848920 7375760 7876258 8482124 9588488 10602655 11985610 12117320 13697840 15752516 16964248 19176976 19690645 21205310 23971220 24234640 27566903 31505032 33928496 39381290 42410620 47942440 55133806 63010064 78762580 84821240 95884880 110267612 137834515 157525160 169642480 220535224 275669030 315050320 441070448 551338060 1102676120 2205352240