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214709289 = 3593120691
BaseRepresentation
bin11001100110000…
…11010000101001
3112222000100202220
430303003100221
5414431144124
633145544253
75214666414
oct1463032051
9488010686
10214709289
1110021a2a3
125baa5089
1335637522
1420730b7b
1513cb2879
hexccc3429

214709289 has 8 divisors (see below), whose sum is σ = 286764192. Its totient is φ = 142896960.

The previous prime is 214709273. The next prime is 214709293. The reversal of 214709289 is 982907412.

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

It is not a de Polignac number, because 214709289 - 24 = 214709273 is a prime.

It is a super-2 number, since 2×2147092892 = 92200157565771042, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 214709289.

It is not an unprimeable number, because it can be changed into a prime (214709239) 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, 58567 + ... + 62124.

It is an arithmetic number, because the mean of its divisors is an integer number (35845524).

Almost surely, 2214709289 is an apocalyptic number.

It is an amenable number.

214709289 is a deficient number, since it is larger than the sum of its proper divisors (72054903).

214709289 is a wasteful number, since it uses less digits than its factorization.

214709289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121287.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 214709289 is about 14652.9617825203. The cubic root of 214709289 is about 598.8025088371.

The spelling of 214709289 in words is "two hundred fourteen million, seven hundred nine thousand, two hundred eighty-nine".

Divisors: 1 3 593 1779 120691 362073 71569763 214709289