[go: up one dir, main page]

Search a number
-
+
23020912 = 2461103229
BaseRepresentation
bin101011111010…
…0010101110000
31121022120202101
41113310111300
521343132122
62141230144
7366450235
oct127642560
947276671
1023020912
1111aa3a52
127862354
134a00455
1430b378c
15204b027
hex15f4570

23020912 has 40 divisors (see below), whose sum is σ = 45974240. Its totient is φ = 11162880.

The previous prime is 23020903. The next prime is 23020927. The reversal of 23020912 is 21902032.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23020912.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100414 + ... + 100642.

It is an arithmetic number, because the mean of its divisors is an integer number (1149356).

Almost surely, 223020912 is an apocalyptic number.

It is an amenable number.

23020912 is a deficient number, since it is larger than the sum of its proper divisors (22953328).

23020912 is a wasteful number, since it uses less digits than its factorization.

23020912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 23020912 is about 4798.0112546763. The cubic root of 23020912 is about 284.4728616538.

Adding to 23020912 its reverse (21902032), we get a palindrome (44922944).

It can be divided in two parts, 23020 and 912, that added together give a palindrome (23932).

The spelling of 23020912 in words is "twenty-three million, twenty thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 61 103 122 206 229 244 412 458 488 824 916 976 1648 1832 3664 6283 12566 13969 23587 25132 27938 47174 50264 55876 94348 100528 111752 188696 223504 377392 1438807 2877614 5755228 11510456 23020912