Search a number
-
+
223002213 = 3744323971
BaseRepresentation
bin11010100101010…
…11111001100101
3120112121200112020
431102223321211
5424042032323
634043413353
75345326140
oct1522537145
9515550466
10223002213
11104973955
1262824259
133727c095
142188d057
151489eae3
hexd4abe65

223002213 has 16 divisors (see below), whose sum is σ = 340594176. Its totient is φ = 127136880.

The previous prime is 223002193. The next prime is 223002233. The reversal of 223002213 is 312200322.

It is an interprime number because it is at equal distance from previous prime (223002193) and next prime (223002233).

It is not a de Polignac number, because 223002213 - 26 = 223002149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223002192 and 223002201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223002233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2683 + ... + 21288.

It is an arithmetic number, because the mean of its divisors is an integer number (21287136).

Almost surely, 2223002213 is an apocalyptic number.

It is an amenable number.

223002213 is a deficient number, since it is larger than the sum of its proper divisors (117591963).

223002213 is a wasteful number, since it uses less digits than its factorization.

223002213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24424.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 223002213 is about 14933.2586196048. The cubic root of 223002213 is about 606.4147054101.

Adding to 223002213 its reverse (312200322), we get a palindrome (535202535).

The spelling of 223002213 in words is "two hundred twenty-three million, two thousand, two hundred thirteen".

Divisors: 1 3 7 21 443 1329 3101 9303 23971 71913 167797 503391 10619153 31857459 74334071 223002213