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16141321 = 72305903
BaseRepresentation
bin111101100100…
…110000001001
31010101001201201
4331210300021
513113010241
61333544201
7254125150
oct75446011
933331651
1016141321
119125239
1254a5061
133461ca1
142202597
15163c931
hexf64c09

16141321 has 4 divisors (see below), whose sum is σ = 18447232. Its totient is φ = 13835412.

The previous prime is 16141273. The next prime is 16141357. The reversal of 16141321 is 12314161.

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 a cyclic number.

It is not a de Polignac number, because 16141321 - 217 = 16010249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16141121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1152945 + ... + 1152958.

It is an arithmetic number, because the mean of its divisors is an integer number (4611808).

Almost surely, 216141321 is an apocalyptic number.

It is an amenable number.

16141321 is a deficient number, since it is larger than the sum of its proper divisors (2305911).

16141321 is an equidigital number, since it uses as much as digits as its factorization.

16141321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305910.

The product of its digits is 144, while the sum is 19.

The square root of 16141321 is about 4017.6262892409. The cubic root of 16141321 is about 252.7239251360.

Adding to 16141321 its reverse (12314161), we get a palindrome (28455482).

The spelling of 16141321 in words is "sixteen million, one hundred forty-one thousand, three hundred twenty-one".

Divisors: 1 7 2305903 16141321