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214005291 = 383859459
BaseRepresentation
bin11001100000101…
…11011000101011
3112220200121001220
430300113120223
5414241132131
633122513123
75206005063
oct1460273053
9486617056
10214005291
11aa889385
125b8057a3
133544bc66
14205ca3a3
1513bc3e96
hexcc1762b

214005291 has 8 divisors (see below), whose sum is σ = 288778560. Its totient is φ = 140951112.

The previous prime is 214005283. The next prime is 214005293. The reversal of 214005291 is 192500412.

214005291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 214005291 - 23 = 214005283 is a prime.

214005291 is a modest number, since divided by 5291 gives 214 as remainder.

It is not an unprimeable number, because it can be changed into a prime (214005293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429481 + ... + 429978.

It is an arithmetic number, because the mean of its divisors is an integer number (36097320).

Almost surely, 2214005291 is an apocalyptic number.

214005291 is a deficient number, since it is larger than the sum of its proper divisors (74773269).

214005291 is an equidigital number, since it uses as much as digits as its factorization.

214005291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859545.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 214005291 is about 14628.9196798670. The cubic root of 214005291 is about 598.1473324820.

The spelling of 214005291 in words is "two hundred fourteen million, five thousand, two hundred ninety-one".

Divisors: 1 3 83 249 859459 2578377 71335097 214005291