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1214432413 = 7297166429
BaseRepresentation
bin100100001100010…
…1100010010011101
310010122011120002021
41020120230102131
54441343314123
6320301300141
742044335165
oct11030542235
93118146067
101214432413
11573574057
1229a864651
131647a867c
14b74095a5
157193bc5d
hex4862c49d

1214432413 has 4 divisors (see below), whose sum is σ = 1214606140. Its totient is φ = 1214258688.

The previous prime is 1214432393. The next prime is 1214432431. The reversal of 1214432413 is 3142344121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3142344121 = 7448906303.

It can be written as a sum of positive squares in 2 ways, for example, as 678185764 + 536246649 = 26042^2 + 23157^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214432413 - 225 = 1180877981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214433413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75918 + ... + 90511.

It is an arithmetic number, because the mean of its divisors is an integer number (303651535).

Almost surely, 21214432413 is an apocalyptic number.

It is an amenable number.

1214432413 is a deficient number, since it is larger than the sum of its proper divisors (173727).

1214432413 is an equidigital number, since it uses as much as digits as its factorization.

1214432413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173726.

The product of its digits is 2304, while the sum is 25.

The square root of 1214432413 is about 34848.7074796182. The cubic root of 1214432413 is about 1066.9018052689.

Adding to 1214432413 its reverse (3142344121), we get a palindrome (4356776534).

The spelling of 1214432413 in words is "one billion, two hundred fourteen million, four hundred thirty-two thousand, four hundred thirteen".

Divisors: 1 7297 166429 1214432413