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14454445 = 52890889
BaseRepresentation
bin110111001000…
…111010101101
31000012100202211
4313020322231
512200020240
61233450421
7233601145
oct67107255
930170684
1014454445
118182925
124a10a11
132cc1235
141cc3925
151407bea
hexdc8ead

14454445 has 4 divisors (see below), whose sum is σ = 17345340. Its totient is φ = 11563552.

The previous prime is 14454443. The next prime is 14454449. The reversal of 14454445 is 54445441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9351364 + 5103081 = 3058^2 + 2259^2 .

It is a cyclic number.

It is not a de Polignac number, because 14454445 - 21 = 14454443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14454443) 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, 1445440 + ... + 1445449.

It is an arithmetic number, because the mean of its divisors is an integer number (4336335).

Almost surely, 214454445 is an apocalyptic number.

It is an amenable number.

14454445 is a deficient number, since it is larger than the sum of its proper divisors (2890895).

14454445 is an equidigital number, since it uses as much as digits as its factorization.

14454445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890894.

The product of its digits is 25600, while the sum is 31.

The square root of 14454445 is about 3801.9001828033. The cubic root of 14454445 is about 243.5943103962.

Adding to 14454445 its reverse (54445441), we get a palindrome (68899886).

The spelling of 14454445 in words is "fourteen million, four hundred fifty-four thousand, four hundred forty-five".

Divisors: 1 5 2890889 14454445