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213114233 = 1093194981
BaseRepresentation
bin11001011001111…
…01110101111001
3112212000022202202
430230331311321
5414024123413
633051435545
75165304203
oct1454756571
9485008682
10213114233
11aa32a972
125b455bb5
13351c94c7
1420437773
1513a99e58
hexcb3dd79

213114233 has 4 divisors (see below), whose sum is σ = 213310308. Its totient is φ = 212918160.

The previous prime is 213114221. The next prime is 213114263. The reversal of 213114233 is 332411312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 137545984 + 75568249 = 11728^2 + 8693^2 .

It is a cyclic number.

It is not a de Polignac number, because 213114233 - 24 = 213114217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213114263) 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, 96398 + ... + 98583.

It is an arithmetic number, because the mean of its divisors is an integer number (53327577).

Almost surely, 2213114233 is an apocalyptic number.

It is an amenable number.

213114233 is a deficient number, since it is larger than the sum of its proper divisors (196075).

213114233 is a wasteful number, since it uses less digits than its factorization.

213114233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196074.

The product of its digits is 432, while the sum is 20.

The square root of 213114233 is about 14598.4325528462. The cubic root of 213114233 is about 597.3160050398.

Adding to 213114233 its reverse (332411312), we get a palindrome (545525545).

The spelling of 213114233 in words is "two hundred thirteen million, one hundred fourteen thousand, two hundred thirty-three".

Divisors: 1 1093 194981 213114233