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214033649 = 528140529
BaseRepresentation
bin11001100000111…
…10010011110001
3112220202000222012
430300132103301
5414243034044
633123252305
75206153544
oct1460362361
9486660865
10214033649
11aa8a8715
125b81a095
133545bb3b
14205d685b
1513bcc59e
hexcc1e4f1

214033649 has 4 divisors (see below), whose sum is σ = 214079460. Its totient is φ = 213987840.

The previous prime is 214033643. The next prime is 214033667. The reversal of 214033649 is 946330412.

214033649 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 122257249 + 91776400 = 11057^2 + 9580^2 .

It is a cyclic number.

It is not a de Polignac number, because 214033649 - 216 = 213968113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214033643) 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, 14984 + ... + 25545.

It is an arithmetic number, because the mean of its divisors is an integer number (53519865).

Almost surely, 2214033649 is an apocalyptic number.

It is an amenable number.

214033649 is a deficient number, since it is larger than the sum of its proper divisors (45811).

214033649 is an equidigital number, since it uses as much as digits as its factorization.

214033649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45810.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 214033649 is about 14629.8888922644. Note that the first 4 decimals coincide. The cubic root of 214033649 is about 598.1737516308.

It can be divided in two parts, 21403 and 3649, that added together give a palindrome (25052).

The spelling of 214033649 in words is "two hundred fourteen million, thirty-three thousand, six hundred forty-nine".

Divisors: 1 5281 40529 214033649