[go: up one dir, main page]

Search a number
-
+
25230007 = 112293637
BaseRepresentation
bin110000000111…
…1101010110111
31202110211001201
41200033222313
522424330012
62300433331
7424310605
oct140175267
952424051
1025230007
1113272750
128548847
1352c4aca
1434ca875
152335857
hex180fab7

25230007 has 4 divisors (see below), whose sum is σ = 27523656. Its totient is φ = 22936360.

The previous prime is 25229999. The next prime is 25230017. The reversal of 25230007 is 70003252.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 25230007 - 23 = 25229999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25230017) 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, 1146808 + ... + 1146829.

It is an arithmetic number, because the mean of its divisors is an integer number (6880914).

Almost surely, 225230007 is an apocalyptic number.

25230007 is a deficient number, since it is larger than the sum of its proper divisors (2293649).

25230007 is a wasteful number, since it uses less digits than its factorization.

25230007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293648.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 25230007 is about 5022.9480387517. The cubic root of 25230007 is about 293.2957638121.

Adding to 25230007 its reverse (70003252), we get a palindrome (95233259).

It can be divided in two parts, 25 and 230007, that added together give a palindrome (230032).

The spelling of 25230007 in words is "twenty-five million, two hundred thirty thousand, seven".

Divisors: 1 11 2293637 25230007