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13321461 = 34440487
BaseRepresentation
bin110010110100…
…010011110101
3221001210121110
4302310103311
511402241321
61153305233
7221142036
oct62642365
927053543
1013321461
11757967a
124565219
1329b562a
141aaaa8d
151282176
hexcb44f5

13321461 has 4 divisors (see below), whose sum is σ = 17761952. Its totient is φ = 8880972.

The previous prime is 13321459. The next prime is 13321463. The reversal of 13321461 is 16412331.

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.

It is an interprime number because it is at equal distance from previous prime (13321459) and next prime (13321463).

It is not a de Polignac number, because 13321461 - 21 = 13321459 is a prime.

It is a super-3 number, since 3×133214613 (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321463) 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, 2220241 + ... + 2220246.

It is an arithmetic number, because the mean of its divisors is an integer number (4440488).

Almost surely, 213321461 is an apocalyptic number.

It is an amenable number.

13321461 is a deficient number, since it is larger than the sum of its proper divisors (4440491).

13321461 is an equidigital number, since it uses as much as digits as its factorization.

13321461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4440490.

The product of its digits is 432, while the sum is 21.

The square root of 13321461 is about 3649.8576684578. The cubic root of 13321461 is about 237.0558183611.

Adding to 13321461 its reverse (16412331), we get a palindrome (29733792).

The spelling of 13321461 in words is "thirteen million, three hundred twenty-one thousand, four hundred sixty-one".

Divisors: 1 3 4440487 13321461