[go: up one dir, main page]

Search a number
-
+
2241221241 = 372130311701
BaseRepresentation
bin1000010110010110…
…0101001001111001
312210012020211120010
42011211211021321
514042223034431
61010221052133
7106353031500
oct20545451171
95705224503
102241221241
11a50124766
125266b7049
1329943501c
1417392b837
15d1b60846
hex85965279

2241221241 has 24 divisors (see below), whose sum is σ = 3479145024. Its totient is φ = 1279605600.

The previous prime is 2241221207. The next prime is 2241221243. The reversal of 2241221241 is 1421221422.

It is not a de Polignac number, because 2241221241 - 210 = 2241220217 is a prime.

It is a super-2 number, since 2×22412212412 = 10046145302219160162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2241221243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185691 + ... + 197391.

It is an arithmetic number, because the mean of its divisors is an integer number (144964376).

Almost surely, 22241221241 is an apocalyptic number.

2241221241 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2241221241 is a deficient number, since it is larger than the sum of its proper divisors (1237923783).

2241221241 is a wasteful number, since it uses less digits than its factorization.

2241221241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13021 (or 13014 counting only the distinct ones).

The product of its digits is 512, while the sum is 21.

The square root of 2241221241 is about 47341.5382196227. The cubic root of 2241221241 is about 1308.6642642263.

Adding to 2241221241 its reverse (1421221422), we get a palindrome (3662442663).

The spelling of 2241221241 in words is "two billion, two hundred forty-one million, two hundred twenty-one thousand, two hundred forty-one".

Divisors: 1 3 7 21 49 147 1303 3909 9121 11701 27363 35103 63847 81907 191541 245721 573349 1720047 15246403 45739209 106724821 320174463 747073747 2241221241