Search a number
-
+
23250515 = 526317681
BaseRepresentation
bin101100010110…
…0011001010011
31121202020201012
41120230121103
521423004030
62150201135
7401424521
oct130543123
947666635
1023250515
1112140502
1279531ab
134a80b02
143133311
152094095
hex162c653

23250515 has 8 divisors (see below), whose sum is σ = 28008288. Its totient is φ = 18528640.

The previous prime is 23250511. The next prime is 23250581. The reversal of 23250515 is 51505232.

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

It is not a de Polignac number, because 23250515 - 22 = 23250511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23250511) 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, 7526 + ... + 10155.

It is an arithmetic number, because the mean of its divisors is an integer number (3501036).

Almost surely, 223250515 is an apocalyptic number.

23250515 is a deficient number, since it is larger than the sum of its proper divisors (4757773).

23250515 is a wasteful number, since it uses less digits than its factorization.

23250515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17949.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 23250515 is about 4821.8787832130. The cubic root of 23250515 is about 285.4154810069.

Adding to 23250515 its reverse (51505232), we get a palindrome (74755747).

The spelling of 23250515 in words is "twenty-three million, two hundred fifty thousand, five hundred fifteen".

Divisors: 1 5 263 1315 17681 88405 4650103 23250515