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25023430 = 252502343
BaseRepresentation
bin101111101110…
…1001111000110
31202002022200201
41133131033012
522401222210
62252201114
7422460415
oct137351706
952068621
1025023430
1113141523
12846919a
135251a83
14347547c
1522e453a
hex17dd3c6

25023430 has 8 divisors (see below), whose sum is σ = 45042192. Its totient is φ = 10009368.

The previous prime is 25023419. The next prime is 25023443. The reversal of 25023430 is 3432052.

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 = 25023398 and 25023407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1251162 + ... + 1251181.

It is an arithmetic number, because the mean of its divisors is an integer number (5630274).

Almost surely, 225023430 is an apocalyptic number.

25023430 is a deficient number, since it is larger than the sum of its proper divisors (20018762).

25023430 is a wasteful number, since it uses less digits than its factorization.

25023430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502350.

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

The square root of 25023430 is about 5002.3424512922. The cubic root of 25023430 is about 292.4930916137.

Adding to 25023430 its reverse (3432052), we get a palindrome (28455482).

The spelling of 25023430 in words is "twenty-five million, twenty-three thousand, four hundred thirty".

Divisors: 1 2 5 10 2502343 5004686 12511715 25023430