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1223421411 = 3834913339
BaseRepresentation
bin100100011101011…
…1110110111100011
310011021002020200010
41020322332313203
510001143441121
6321222100003
742213624162
oct11072766743
93137066603
101223421411
11578653683
122a187a603
13166604cc4
14b86a93d9
1572615376
hex48ebede3

1223421411 has 8 divisors (see below), whose sum is σ = 1650882240. Its totient is φ = 805787432.

The previous prime is 1223421379. The next prime is 1223421431. The reversal of 1223421411 is 1141243221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1223421411 - 25 = 1223421379 is a prime.

It is a super-3 number, since 3×12234214113 (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1223421431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2456421 + ... + 2456918.

It is an arithmetic number, because the mean of its divisors is an integer number (206360280).

Almost surely, 21223421411 is an apocalyptic number.

1223421411 is a deficient number, since it is larger than the sum of its proper divisors (427460829).

1223421411 is an equidigital number, since it uses as much as digits as its factorization.

1223421411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4913425.

The product of its digits is 384, while the sum is 21.

The square root of 1223421411 is about 34977.4414587459. The cubic root of 1223421411 is about 1069.5276719872.

Adding to 1223421411 its reverse (1141243221), we get a palindrome (2364664632).

It can be divided in two parts, 122342 and 1411, that added together give a triangular number (123753 = T497).

The spelling of 1223421411 in words is "one billion, two hundred twenty-three million, four hundred twenty-one thousand, four hundred eleven".

Divisors: 1 3 83 249 4913339 14740017 407807137 1223421411