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214874299 = 316931429
BaseRepresentation
bin11001100111010…
…11100010111011
3112222022202010101
430303223202323
5420001434144
633153300231
75216254453
oct1463534273
9488282111
10214874299
11100322272
125bb64677
1335694673
1420774d63
1513ce66d4
hexcceb8bb

214874299 has 4 divisors (see below), whose sum is σ = 221805760. Its totient is φ = 207942840.

The previous prime is 214874291. The next prime is 214874321. The reversal of 214874299 is 992478412.

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 214874299 - 23 = 214874291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214874291) 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, 3465684 + ... + 3465745.

It is an arithmetic number, because the mean of its divisors is an integer number (55451440).

Almost surely, 2214874299 is an apocalyptic number.

214874299 is a deficient number, since it is larger than the sum of its proper divisors (6931461).

214874299 is an equidigital number, since it uses as much as digits as its factorization.

214874299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6931460.

The product of its digits is 290304, while the sum is 46.

The square root of 214874299 is about 14658.5913033961. The cubic root of 214874299 is about 598.9558682949.

The spelling of 214874299 in words is "two hundred fourteen million, eight hundred seventy-four thousand, two hundred ninety-nine".

Divisors: 1 31 6931429 214874299