Search a number
-
+
23305270 = 252980363
BaseRepresentation
bin101100011100…
…1110000110110
31121212000211011
41120321300312
521431232040
62151302434
7402043252
oct130716066
947760734
1023305270
111217865a
12797aa1a
134a9ca01
143149262
1520a53ea
hex1639c36

23305270 has 16 divisors (see below), whose sum is σ = 43396560. Its totient is φ = 9000544.

The previous prime is 23305231. The next prime is 23305277. The reversal of 23305270 is 7250332.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23305277) by changing a digit.

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, 39892 + ... + 40471.

It is an arithmetic number, because the mean of its divisors is an integer number (2712285).

Almost surely, 223305270 is an apocalyptic number.

23305270 is a deficient number, since it is larger than the sum of its proper divisors (20091290).

23305270 is a wasteful number, since it uses less digits than its factorization.

23305270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80399.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 23305270 is about 4827.5532104784. The cubic root of 23305270 is about 285.6393566610.

The spelling of 23305270 in words is "twenty-three million, three hundred five thousand, two hundred seventy".

Divisors: 1 2 5 10 29 58 145 290 80363 160726 401815 803630 2330527 4661054 11652635 23305270