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214120451 = 7113722013
BaseRepresentation
bin11001100001100…
…11100000000011
3112220220110001002
430300303200003
5414303323301
633125202215
75206664606
oct1460634003
9486813032
10214120451
11aa957956
125b86036b
133548c4bc
142061a33d
1513be816b
hexcc33803

214120451 has 8 divisors (see below), whose sum is σ = 218731104. Its totient is φ = 209554240.

The previous prime is 214120447. The next prime is 214120453. The reversal of 214120451 is 154021412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 214120451 - 22 = 214120447 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (214120453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1280 + ... + 20733.

It is an arithmetic number, because the mean of its divisors is an integer number (27341388).

Almost surely, 2214120451 is an apocalyptic number.

214120451 is a deficient number, since it is larger than the sum of its proper divisors (4610653).

214120451 is a wasteful number, since it uses less digits than its factorization.

214120451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22221.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 214120451 is about 14632.8551896067. The cubic root of 214120451 is about 598.2546044324.

Adding to 214120451 its reverse (154021412), we get a palindrome (368141863).

The spelling of 214120451 in words is "two hundred fourteen million, one hundred twenty thousand, four hundred fifty-one".

Divisors: 1 71 137 9727 22013 1562923 3015781 214120451