Search a number
-
+
23201022 = 23131717497
BaseRepresentation
bin101100010000…
…0010011111110
31121122201211010
41120200103332
521414413042
62145140050
7401130315
oct130402376
947581733
1023201022
11121072a9
12792a626
134a64420
14311d27c
15208459c
hex16204fe

23201022 has 32 divisors (see below), whose sum is σ = 52913952. Its totient is φ = 6718464.

The previous prime is 23201021. The next prime is 23201029. The reversal of 23201022 is 22010232.

It is a junction number, because it is equal to n+sod(n) for n = 23200989 and 23201007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23201021) 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, 7423 + ... + 10074.

It is an arithmetic number, because the mean of its divisors is an integer number (1653561).

Almost surely, 223201022 is an apocalyptic number.

23201022 is an abundant number, since it is smaller than the sum of its proper divisors (29712930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23201022 is a wasteful number, since it uses less digits than its factorization.

23201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17532.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 23201022 is about 4816.7439209491. The cubic root of 23201022 is about 285.2128173443.

Adding to 23201022 its reverse (22010232), we get a palindrome (45211254).

The spelling of 23201022 in words is "twenty-three million, two hundred one thousand, twenty-two".

Divisors: 1 2 3 6 13 17 26 34 39 51 78 102 221 442 663 1326 17497 34994 52491 104982 227461 297449 454922 594898 682383 892347 1364766 1784694 3866837 7733674 11600511 23201022