Base | Representation |
---|---|
bin | 100110100101… |
… | …1100000010100 |
3 | 1102001220101012 |
4 | 1031023200110 |
5 | 20134412322 |
6 | 2001351352 |
7 | 333654020 |
oct | 115134024 |
9 | 42056335 |
10 | 20232212 |
11 | 10469840 |
12 | 6938558 |
13 | 4265030 |
14 | 2989380 |
15 | 1b99ae2 |
hex | 134b814 |
20232212 has 96 divisors (see below), whose sum is σ = 49373184. Its totient is φ = 6998400.
The previous prime is 20232211. The next prime is 20232239. The reversal of 20232212 is 21223202.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20232211) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124043 + ... + 124205.
It is an arithmetic number, because the mean of its divisors is an integer number (514304).
Almost surely, 220232212 is an apocalyptic number.
20232212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20232212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24686592).
20232212 is an abundant number, since it is smaller than the sum of its proper divisors (29140972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20232212 is a wasteful number, since it uses less digits than its factorization.
20232212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 229 (or 227 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 14.
The square root of 20232212 is about 4498.0231213279. The cubic root of 20232212 is about 272.4882558135.
Adding to 20232212 its reverse (21223202), we get a palindrome (41455414).
It can be divided in two parts, 20 and 232212, that added together give a palindrome (232232).
The spelling of 20232212 in words is "twenty million, two hundred thirty-two thousand, two hundred twelve".
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