Search a number
-
+
214662289 = 239333143
BaseRepresentation
bin11001100101101…
…11110010010001
3112221220222022011
430302313302101
5414423143124
633144542521
75214412402
oct1462676221
9487828264
10214662289
11100197a56
125ba81a41
133561c00a
142071b9a9
1513ca3994
hexccb7c91

214662289 has 4 divisors (see below), whose sum is σ = 223995456. Its totient is φ = 205329124.

The previous prime is 214662277. The next prime is 214662293. The reversal of 214662289 is 982266412.

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 214662289 - 25 = 214662257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214662229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4666549 + ... + 4666594.

It is an arithmetic number, because the mean of its divisors is an integer number (55998864).

Almost surely, 2214662289 is an apocalyptic number.

It is an amenable number.

214662289 is a deficient number, since it is larger than the sum of its proper divisors (9333167).

214662289 is an equidigital number, since it uses as much as digits as its factorization.

214662289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9333166.

The product of its digits is 82944, while the sum is 40.

The square root of 214662289 is about 14651.3579234145. The cubic root of 214662289 is about 598.7588128985.

The spelling of 214662289 in words is "two hundred fourteen million, six hundred sixty-two thousand, two hundred eighty-nine".

Divisors: 1 23 9333143 214662289