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16014401 = 131231877
BaseRepresentation
bin111101000101…
…110001000001
31010010121121222
4331011301001
513044430101
61331124425
7253056134
oct75056101
933117558
1016014401
119048947
125443715
1334192a0
1421ac21b
15161501b
hexf45c41

16014401 has 4 divisors (see below), whose sum is σ = 17246292. Its totient is φ = 14782512.

The previous prime is 16014373. The next prime is 16014403. The reversal of 16014401 is 10441061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10441061 = 41924919.

It can be written as a sum of positive squares in 2 ways, for example, as 2146225 + 13868176 = 1465^2 + 3724^2 .

It is a cyclic number.

It is not a de Polignac number, because 16014401 - 210 = 16013377 is a prime.

It is a super-2 number, since 2×160144012 = 512922078777602, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16014401.

It is not an unprimeable number, because it can be changed into a prime (16014403) 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, 615926 + ... + 615951.

It is an arithmetic number, because the mean of its divisors is an integer number (4311573).

Almost surely, 216014401 is an apocalyptic number.

It is an amenable number.

16014401 is a deficient number, since it is larger than the sum of its proper divisors (1231891).

16014401 is a wasteful number, since it uses less digits than its factorization.

16014401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231890.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 16014401 is about 4001.7997201259. The cubic root of 16014401 is about 252.0597878212.

Adding to 16014401 its reverse (10441061), we get a palindrome (26455462).

The spelling of 16014401 in words is "sixteen million, fourteen thousand, four hundred one".

Divisors: 1 13 1231877 16014401