Search a number
-
+
23530238 = 216377187
BaseRepresentation
bin101100111000…
…0101011111110
31122021110102022
41121300223332
522010431423
62200200142
7404001164
oct131605376
948243368
1023530238
1112311686
127a69052
134b4b224
1431a7234
1520ebdc8
hex1670afe

23530238 has 8 divisors (see below), whose sum is σ = 35321832. Its totient is φ = 11756296.

The previous prime is 23530231. The next prime is 23530253. The reversal of 23530238 is 83203532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23530231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320 + ... + 6867.

It is an arithmetic number, because the mean of its divisors is an integer number (4415229).

Almost surely, 223530238 is an apocalyptic number.

23530238 is a deficient number, since it is larger than the sum of its proper divisors (11791594).

23530238 is a wasteful number, since it uses less digits than its factorization.

23530238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8826.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 23530238 is about 4850.7976663637. The cubic root of 23530238 is about 286.5555163704. Note that the first 4 decimals are identical.

The spelling of 23530238 in words is "twenty-three million, five hundred thirty thousand, two hundred thirty-eight".

Divisors: 1 2 1637 3274 7187 14374 11765119 23530238