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214044245 = 542808849
BaseRepresentation
bin11001100001000…
…00111001010101
3112220202120111122
430300200321111
5414243403440
633123413325
75206226462
oct1460407125
9486676448
10214044245
11aa905678
125b824245
13354638cc
14205da669
1513bd07b5
hexcc20e55

214044245 has 4 divisors (see below), whose sum is σ = 256853100. Its totient is φ = 171235392.

The previous prime is 214044241. The next prime is 214044247. The reversal of 214044245 is 542440412.

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 166074769 + 47969476 = 12887^2 + 6926^2 .

It is a cyclic number.

It is not a de Polignac number, because 214044245 - 22 = 214044241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214044241) 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, 21404420 + ... + 21404429.

It is an arithmetic number, because the mean of its divisors is an integer number (64213275).

Almost surely, 2214044245 is an apocalyptic number.

It is an amenable number.

214044245 is a deficient number, since it is larger than the sum of its proper divisors (42808855).

214044245 is an equidigital number, since it uses as much as digits as its factorization.

214044245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42808854.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 214044245 is about 14630.2510231370. The cubic root of 214044245 is about 598.1836225779.

Adding to 214044245 its reverse (542440412), we get a palindrome (756484657).

The spelling of 214044245 in words is "two hundred fourteen million, forty-four thousand, two hundred forty-five".

Divisors: 1 5 42808849 214044245