Search a number
-
+
23250377 = 119319489
BaseRepresentation
bin101100010110…
…0010111001001
31121202020112002
41120230113021
521423003002
62150200345
7401424233
oct130542711
947666462
1023250377
1112140397
1279530b5
134a80a27
143133253
152094002
hex162c5c9

23250377 has 4 divisors (see below), whose sum is σ = 23271060. Its totient is φ = 23229696.

The previous prime is 23250361. The next prime is 23250379. The reversal of 23250377 is 77305232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4682896 + 18567481 = 2164^2 + 4309^2 .

It is a cyclic number.

It is not a de Polignac number, because 23250377 - 24 = 23250361 is a prime.

It is a super-3 number, since 3×232503773 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23250379) 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, 8552 + ... + 10937.

It is an arithmetic number, because the mean of its divisors is an integer number (5817765).

Almost surely, 223250377 is an apocalyptic number.

It is an amenable number.

23250377 is a deficient number, since it is larger than the sum of its proper divisors (20683).

23250377 is a wasteful number, since it uses less digits than its factorization.

23250377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20682.

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 23250377 is about 4821.8644734169. The cubic root of 23250377 is about 285.4149163253.

The spelling of 23250377 in words is "twenty-three million, two hundred fifty thousand, three hundred seventy-seven".

Divisors: 1 1193 19489 23250377