Search a number
-
+
23043660 = 2235384061
BaseRepresentation
bin101011111100…
…1111001001100
31121100201221220
41113321321030
521344344120
62141523340
7366603453
oct127717114
947321856
1023043660
111200a052
127873550
134a0a903
1430bbb9a
152052b40
hex15f9e4c

23043660 has 24 divisors (see below), whose sum is σ = 64522416. Its totient is φ = 6144960.

The previous prime is 23043659. The next prime is 23043667. The reversal of 23043660 is 6634032.

It is a self number, because there is not a number n which added to its sum of digits gives 23043660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23043667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191971 + ... + 192090.

It is an arithmetic number, because the mean of its divisors is an integer number (2688434).

Almost surely, 223043660 is an apocalyptic number.

23043660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23043660 is an abundant number, since it is smaller than the sum of its proper divisors (41478756).

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

23043660 is a wasteful number, since it uses less digits than its factorization.

23043660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384073 (or 384071 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 23043660 is about 4800.3812348604. The cubic root of 23043660 is about 284.5665309567.

Adding to 23043660 its reverse (6634032), we get a palindrome (29677692).

The spelling of 23043660 in words is "twenty-three million, forty-three thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 384061 768122 1152183 1536244 1920305 2304366 3840610 4608732 5760915 7681220 11521830 23043660