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20232212 = 227111331163
BaseRepresentation
bin100110100101…
…1100000010100
31102001220101012
41031023200110
520134412322
62001351352
7333654020
oct115134024
942056335
1020232212
1110469840
126938558
134265030
142989380
151b99ae2
hex134b814

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".

Divisors: 1 2 4 7 11 13 14 22 26 28 31 44 52 62 77 91 124 143 154 163 182 217 286 308 326 341 364 403 434 572 652 682 806 868 1001 1141 1364 1612 1793 2002 2119 2282 2387 2821 3586 4004 4238 4433 4564 4774 5053 5642 7172 8476 8866 9548 10106 11284 12551 14833 17732 20212 23309 25102 29666 31031 35371 46618 50204 55583 59332 62062 65689 70742 93236 111166 124124 131378 141484 163163 222332 262756 326326 389081 459823 652652 722579 778162 919646 1445158 1556324 1839292 2890316 5058053 10116106 20232212