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16324001 = 23336997
BaseRepresentation
bin111110010001…
…010110100001
31010201100022122
4332101112201
513134332001
61341514025
7255515561
oct76212641
933640278
1016324001
11923a511
125572915
1334c7195
14224cda1
151676b1b
hexf915a1

16324001 has 4 divisors (see below), whose sum is σ = 16333332. Its totient is φ = 16314672.

The previous prime is 16323977. The next prime is 16324003. The reversal of 16324001 is 10042361.

16324001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10042361 = 71434623.

It can be written as a sum of positive squares in 2 ways, for example, as 5400976 + 10923025 = 2324^2 + 3305^2 .

It is a cyclic number.

It is not a de Polignac number, because 16324001 - 214 = 16307617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16324003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166 + ... + 5831.

It is an arithmetic number, because the mean of its divisors is an integer number (4083333).

It is a Poulet number, since it divides 216324000-1.

Almost surely, 216324001 is an apocalyptic number.

16324001 is the 2333-rd octagonal number.

It is an amenable number.

16324001 is a deficient number, since it is larger than the sum of its proper divisors (9331).

16324001 is an equidigital number, since it uses as much as digits as its factorization.

16324001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9330.

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

The square root of 16324001 is about 4040.2971425379. The cubic root of 16324001 is about 253.6737549891.

Adding to 16324001 its reverse (10042361), we get a palindrome (26366362).

The spelling of 16324001 in words is "sixteen million, three hundred twenty-four thousand, one".

Divisors: 1 2333 6997 16324001