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214001243 = 434949207
BaseRepresentation
bin11001100000101…
…10011001011011
3112220200101111222
430300112121123
5414241014433
633122442255
75205660221
oct1460263133
9486611458
10214001243
11aa886335
125b80338b
133544a171
14205c8b11
1513bc2b98
hexcc1665b

214001243 has 4 divisors (see below), whose sum is σ = 214054800. Its totient is φ = 213947688.

The previous prime is 214001197. The next prime is 214001257. The reversal of 214001243 is 342100412.

214001243 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 is a cyclic number.

It is not a de Polignac number, because 214001243 - 226 = 146892379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214001443) 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, 20255 + ... + 28952.

It is an arithmetic number, because the mean of its divisors is an integer number (53513700).

Almost surely, 2214001243 is an apocalyptic number.

214001243 is a deficient number, since it is larger than the sum of its proper divisors (53557).

214001243 is an equidigital number, since it uses as much as digits as its factorization.

214001243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53556.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 214001243 is about 14628.7813231315. The cubic root of 214001243 is about 598.1435610555.

Adding to 214001243 its reverse (342100412), we get a palindrome (556101655).

The spelling of 214001243 in words is "two hundred fourteen million, one thousand, two hundred forty-three".

Divisors: 1 4349 49207 214001243