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25230524 = 2211599719
BaseRepresentation
bin110000000111…
…1110010111100
31202110211202212
41200033302330
522424334044
62300435552
7424312244
oct140176274
952424685
1025230524
1113273080
128548bb8
1352c5107
1434cab24
152335a9e
hex180fcbc

25230524 has 24 divisors (see below), whose sum is σ = 48988800. Its totient is φ = 11272880.

The previous prime is 25230511. The next prime is 25230547. The reversal of 25230524 is 42503252.

It is a self number, because there is not a number n which added to its sum of digits gives 25230524.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2264 + ... + 7455.

It is an arithmetic number, because the mean of its divisors is an integer number (2041200).

Almost surely, 225230524 is an apocalyptic number.

It is an amenable number.

25230524 is a deficient number, since it is larger than the sum of its proper divisors (23758276).

25230524 is a wasteful number, since it uses less digits than its factorization.

25230524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9793 (or 9791 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 25230524 is about 5022.9995022894. Note that the first 3 decimals coincide. The cubic root of 25230524 is about 293.2977671525.

Adding to 25230524 its reverse (42503252), we get a palindrome (67733776).

The spelling of 25230524 in words is "twenty-five million, two hundred thirty thousand, five hundred twenty-four".

Divisors: 1 2 4 11 22 44 59 118 236 649 1298 2596 9719 19438 38876 106909 213818 427636 573421 1146842 2293684 6307631 12615262 25230524