Search a number
-
+
14442545 = 513222193
BaseRepresentation
bin110111000110…
…000000110001
31000011202110002
4313012000301
512144130140
61233315345
7233521355
oct67060061
930152402
1014442545
118174997
124a05b55
132cb89b0
141cbd465
151404415
hexdc6031

14442545 has 8 divisors (see below), whose sum is σ = 18664296. Its totient is φ = 10665216.

The previous prime is 14442541. The next prime is 14442563. The reversal of 14442545 is 54524441.

14442545 = 4392 + 4402 + ... + 5032.

It can be written as a sum of positive squares in 4 ways, for example, as 55696 + 14386849 = 236^2 + 3793^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14442545 - 22 = 14442541 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14442541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111032 + ... + 111161.

It is an arithmetic number, because the mean of its divisors is an integer number (2333037).

Almost surely, 214442545 is an apocalyptic number.

It is an amenable number.

14442545 is a deficient number, since it is larger than the sum of its proper divisors (4221751).

14442545 is a wasteful number, since it uses less digits than its factorization.

14442545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222211.

The product of its digits is 12800, while the sum is 29.

The square root of 14442545 is about 3800.3348536675. The cubic root of 14442545 is about 243.5274435799.

Adding to 14442545 its reverse (54524441), we get a palindrome (68966986).

The spelling of 14442545 in words is "fourteen million, four hundred forty-two thousand, five hundred forty-five".

Divisors: 1 5 13 65 222193 1110965 2888509 14442545