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214421101 = 811264391
BaseRepresentation
bin11001100011111…
…00111001101101
3112221110201110021
430301330321231
5414342433401
633135442141
75212356256
oct1461747155
9487421407
10214421101
11100042824
125b986351
13355662bb
1420697b2d
1513c572a1
hexcc7ce6d

214421101 has 4 divisors (see below), whose sum is σ = 214686304. Its totient is φ = 214155900.

The previous prime is 214421087. The next prime is 214421117. The reversal of 214421101 is 101124412.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 214421101 - 25 = 214421069 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 (214421131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131385 + ... + 133006.

It is an arithmetic number, because the mean of its divisors is an integer number (53671576).

Almost surely, 2214421101 is an apocalyptic number.

It is an amenable number.

214421101 is a deficient number, since it is larger than the sum of its proper divisors (265203).

214421101 is an equidigital number, since it uses as much as digits as its factorization.

214421101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265202.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 214421101 is about 14643.1247006914. The cubic root of 214421101 is about 598.5344798135.

Adding to 214421101 its reverse (101124412), we get a palindrome (315545513).

The spelling of 214421101 in words is "two hundred fourteen million, four hundred twenty-one thousand, one hundred one".

Divisors: 1 811 264391 214421101