Search a number
-
+
14033681 = 59237859
BaseRepresentation
bin110101100010…
…001100010001
3222101222120222
4311202030101
512043034211
61220442425
7230166344
oct65421421
928358528
1014033681
117a15792
124849415
132ba486c
141c1445b
1513731db
hexd62311

14033681 has 4 divisors (see below), whose sum is σ = 14271600. Its totient is φ = 13795764.

The previous prime is 14033633. The next prime is 14033699. The reversal of 14033681 is 18633041.

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: 18633041 = 72661863.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14033681 is a prime.

It is a super-2 number, since 2×140336812 = 393888404819522, which contains 22 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 14033681.

It is not an unprimeable number, because it can be changed into a prime (14033081) 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, 118871 + ... + 118988.

It is an arithmetic number, because the mean of its divisors is an integer number (3567900).

Almost surely, 214033681 is an apocalyptic number.

It is an amenable number.

14033681 is a deficient number, since it is larger than the sum of its proper divisors (237919).

14033681 is an equidigital number, since it uses as much as digits as its factorization.

14033681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237918.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 14033681 is about 3746.1554959718. The cubic root of 14033681 is about 241.2073478249.

The spelling of 14033681 in words is "fourteen million, thirty-three thousand, six hundred eighty-one".

Divisors: 1 59 237859 14033681