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214225453 = 1316478881
BaseRepresentation
bin11001100010011…
…01001000101101
3112221002210002001
430301031020231
5414320203303
633131332301
75210613001
oct1461151055
9487083061
10214225453
11aaa19832
125b8b1091
13354c8230
1420646701
1513c1931d
hexcc4d22d

214225453 has 4 divisors (see below), whose sum is σ = 230704348. Its totient is φ = 197746560.

The previous prime is 214225447. The next prime is 214225481. The reversal of 214225453 is 354522412.

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 58400164 + 155825289 = 7642^2 + 12483^2 .

It is a cyclic number.

It is not a de Polignac number, because 214225453 - 217 = 214094381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214225493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8239428 + ... + 8239453.

It is an arithmetic number, because the mean of its divisors is an integer number (57676087).

Almost surely, 2214225453 is an apocalyptic number.

It is an amenable number.

214225453 is a deficient number, since it is larger than the sum of its proper divisors (16478895).

214225453 is a wasteful number, since it uses less digits than its factorization.

214225453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16478894.

The product of its digits is 9600, while the sum is 28.

The square root of 214225453 is about 14636.4426347388. The cubic root of 214225453 is about 598.3523806515.

Adding to 214225453 its reverse (354522412), we get a palindrome (568747865).

The spelling of 214225453 in words is "two hundred fourteen million, two hundred twenty-five thousand, four hundred fifty-three".

Divisors: 1 13 16478881 214225453