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25230430 = 252523043
BaseRepresentation
bin110000000111…
…1110001011110
31202110211122101
41200033301132
522424333210
62300435314
7424312051
oct140176136
952424571
1025230430
1113272aa5
128548b3a
1352c5064
1434caa98
152335a3a
hex180fc5e

25230430 has 8 divisors (see below), whose sum is σ = 45414792. Its totient is φ = 10092168.

The previous prime is 25230427. The next prime is 25230437. The reversal of 25230430 is 3403252.

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

It is a junction number, because it is equal to n+sod(n) for n = 25230398 and 25230407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25230437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1261512 + ... + 1261531.

It is an arithmetic number, because the mean of its divisors is an integer number (5676849).

Almost surely, 225230430 is an apocalyptic number.

25230430 is a deficient number, since it is larger than the sum of its proper divisors (20184362).

25230430 is a wasteful number, since it uses less digits than its factorization.

25230430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523050.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 25230430 is about 5022.9901453218. The cubic root of 25230430 is about 293.2974029108.

Adding to 25230430 its reverse (3403252), we get a palindrome (28633682).

The spelling of 25230430 in words is "twenty-five million, two hundred thirty thousand, four hundred thirty".

Divisors: 1 2 5 10 2523043 5046086 12615215 25230430