Base | Representation |
---|---|
bin | 11011101010111… |
… | …10011101100101 |
3 | 121011210000211000 |
4 | 31311132131211 |
5 | 433410402323 |
6 | 35011103513 |
7 | 5516002101 |
oct | 1565363545 |
9 | 534700730 |
10 | 232122213 |
11 | 10a032944 |
12 | 658a1b99 |
13 | 3912322b |
14 | 22b84901 |
15 | 155a1e43 |
hex | dd5e765 |
232122213 has 16 divisors (see below), whose sum is σ = 351883840. Its totient is φ = 151148592.
The previous prime is 232122211. The next prime is 232122239. The reversal of 232122213 is 312221232.
It is not a de Polignac number, because 232122213 - 21 = 232122211 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (232122211) 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, 98806 + ... + 101127.
It is an arithmetic number, because the mean of its divisors is an integer number (21992740).
Almost surely, 2232122213 is an apocalyptic number.
It is an amenable number.
232122213 is a deficient number, since it is larger than the sum of its proper divisors (119761627).
232122213 is a wasteful number, since it uses less digits than its factorization.
232122213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 199985 (or 199979 counting only the distinct ones).
The product of its digits is 288, while the sum is 18.
The square root of 232122213 is about 15235.5575217975. The cubic root of 232122213 is about 614.5712419027.
Adding to 232122213 its reverse (312221232), we get a palindrome (544343445).
It can be divided in two parts, 23212 and 2213, that added together give a triangular number (25425 = T225).
The spelling of 232122213 in words is "two hundred thirty-two million, one hundred twenty-two thousand, two hundred thirteen".
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