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1322130401 = 2275824363
BaseRepresentation
bin100111011001110…
…0001101111100001
310102010211011221122
41032303201233201
510201431133101
6335105502025
744522631404
oct11663415741
93363734848
101322130401
11619343159
1230a941915
13180bb5ca7
14c7841d3b
157b11251b
hex4ece1be1

1322130401 has 4 divisors (see below), whose sum is σ = 1327954992. Its totient is φ = 1316305812.

The previous prime is 1322130391. The next prime is 1322130449. The reversal of 1322130401 is 1040312231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1040312231 = 7148616033.

It is a cyclic number.

It is not a de Polignac number, because 1322130401 - 218 = 1321868257 is a prime.

It is a super-3 number, since 3×13221304013 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1322130401.

It is not an unprimeable number, because it can be changed into a prime (1322130451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2911955 + ... + 2912408.

It is an arithmetic number, because the mean of its divisors is an integer number (331988748).

Almost surely, 21322130401 is an apocalyptic number.

It is an amenable number.

1322130401 is a deficient number, since it is larger than the sum of its proper divisors (5824591).

1322130401 is an equidigital number, since it uses as much as digits as its factorization.

1322130401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5824590.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1322130401 is about 36361.1111078856. Note that the first 4 decimals coincide. The cubic root of 1322130401 is about 1097.5511365868.

Adding to 1322130401 its reverse (1040312231), we get a palindrome (2362442632).

The spelling of 1322130401 in words is "one billion, three hundred twenty-two million, one hundred thirty thousand, four hundred one".

Divisors: 1 227 5824363 1322130401