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25230502 = 2111146841
BaseRepresentation
bin110000000111…
…1110010100110
31202110211202001
41200033302212
522424334002
62300435514
7424312213
oct140176246
952424661
1025230502
1113273060
128548b9a
1352c50bb
1434cab0a
152335a87
hex180fca6

25230502 has 8 divisors (see below), whose sum is σ = 41286312. Its totient is φ = 11468400.

The previous prime is 25230481. The next prime is 25230503. The reversal of 25230502 is 20503252.

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

It is a self number, because there is not a number n which added to its sum of digits gives 25230502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25230503) 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, 573399 + ... + 573442.

It is an arithmetic number, because the mean of its divisors is an integer number (5160789).

Almost surely, 225230502 is an apocalyptic number.

25230502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25230502 is a deficient number, since it is larger than the sum of its proper divisors (16055810).

25230502 is a wasteful number, since it uses less digits than its factorization.

25230502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146854.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 25230502 is about 5022.9973123624. The cubic root of 25230502 is about 293.2976819045.

Adding to 25230502 its reverse (20503252), we get a palindrome (45733754).

The spelling of 25230502 in words is "twenty-five million, two hundred thirty thousand, five hundred two".

Divisors: 1 2 11 22 1146841 2293682 12615251 25230502