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627216241 = 1736895073
BaseRepresentation
bin100101011000101…
…000111101110001
31121201012212221011
4211120220331301
52241031404431
6142123230521
721354151531
oct4530507561
91551185834
10627216241
112a2057933
12156078441
139cc37792
145d42d4c1
153a0e6cb1
hex25628f71

627216241 has 4 divisors (see below), whose sum is σ = 664111332. Its totient is φ = 590321152.

The previous prime is 627216229. The next prime is 627216251. The reversal of 627216241 is 142612726.

627216241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 334121841 + 293094400 = 18279^2 + 17120^2 .

It is a cyclic number.

It is not a de Polignac number, because 627216241 - 27 = 627216113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (627216251) 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, 18447520 + ... + 18447553.

It is an arithmetic number, because the mean of its divisors is an integer number (166027833).

Almost surely, 2627216241 is an apocalyptic number.

It is an amenable number.

627216241 is a deficient number, since it is larger than the sum of its proper divisors (36895091).

627216241 is a wasteful number, since it uses less digits than its factorization.

627216241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36895090.

The product of its digits is 8064, while the sum is 31.

The square root of 627216241 is about 25044.2855957202. The cubic root of 627216241 is about 855.9973728520.

Adding to 627216241 its reverse (142612726), we get a palindrome (769828967).

The spelling of 627216241 in words is "six hundred twenty-seven million, two hundred sixteen thousand, two hundred forty-one".

Divisors: 1 17 36895073 627216241