Search a number
-
+
23251250 = 254111989
BaseRepresentation
bin101100010110…
…0100100110010
31121202021201102
41120230210302
521423020000
62150204402
7401426621
oct130544462
947667642
1023251250
1112141010
127953702
134a81249
1431336b8
1520943d5
hex162c932

23251250 has 80 divisors (see below), whose sum is σ = 50608800. Its totient is φ = 7920000.

The previous prime is 23251237. The next prime is 23251253. The reversal of 23251250 is 5215232.

It is not an unprimeable number, because it can be changed into a prime (23251253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 261206 + ... + 261294.

It is an arithmetic number, because the mean of its divisors is an integer number (632610).

Almost surely, 223251250 is an apocalyptic number.

23251250 is an abundant number, since it is smaller than the sum of its proper divisors (27357550).

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

23251250 is a wasteful number, since it uses less digits than its factorization.

23251250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 23251250 is about 4821.9549977162. The cubic root of 23251250 is about 285.4184885126.

Adding to 23251250 its reverse (5215232), we get a palindrome (28466482).

It can be divided in two parts, 2 and 3251250, that multiplied together give a square (6502500 = 25502).

The spelling of 23251250 in words is "twenty-three million, two hundred fifty-one thousand, two hundred fifty".

Divisors: 1 2 5 10 11 19 22 25 38 50 55 89 95 110 125 178 190 209 250 275 418 445 475 550 625 890 950 979 1045 1250 1375 1691 1958 2090 2225 2375 2750 3382 4450 4750 4895 5225 6875 8455 9790 10450 11125 11875 13750 16910 18601 22250 23750 24475 26125 37202 42275 48950 52250 55625 84550 93005 111250 122375 130625 186010 211375 244750 261250 422750 465025 611875 930050 1056875 1223750 2113750 2325125 4650250 11625625 23251250