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2243404401 = 37193553517
BaseRepresentation
bin1000010110110111…
…1010001001110001
312210100100202021220
42011231322021301
514043302420101
61010335535253
7106410423420
oct20555721161
95710322256
102243404401
11a51385a27
1252738a529
13299a1a934
14173d392b7
15d1e42636
hex85b7a271

2243404401 has 16 divisors (see below), whose sum is σ = 3436239744. Its totient is φ = 1275300864.

The previous prime is 2243404369. The next prime is 2243404403. The reversal of 2243404401 is 1044043422.

It is a happy number.

2243404401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2243404401 - 25 = 2243404369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2243404403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272706 + ... + 280811.

It is an arithmetic number, because the mean of its divisors is an integer number (214764984).

Almost surely, 22243404401 is an apocalyptic number.

2243404401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2243404401 is a deficient number, since it is larger than the sum of its proper divisors (1192835343).

2243404401 is a wasteful number, since it uses less digits than its factorization.

2243404401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553720.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2243404401 is about 47364.5901597385. The cubic root of 2243404401 is about 1309.0890469675.

Adding to 2243404401 its reverse (1044043422), we get a palindrome (3287447823).

The spelling of 2243404401 in words is "two billion, two hundred forty-three million, four hundred four thousand, four hundred one".

Divisors: 1 3 7 21 193 579 1351 4053 553517 1660551 3874619 11623857 106828781 320486343 747801467 2243404401