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25054230 = 235835141
BaseRepresentation
bin101111110010…
…0110000010110
31202010212221110
41133210300112
522403213410
62252555450
7422646255
oct137446026
952125843
1025054230
1113162683
128482b86
135262ab6
14348279c
1522ed720
hex17e4c16

25054230 has 16 divisors (see below), whose sum is σ = 60130224. Its totient is φ = 6681120.

The previous prime is 25054229. The next prime is 25054259. The reversal of 25054230 is 3245052.

It is a junction number, because it is equal to n+sod(n) for n = 25054197 and 25054206.

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, 417541 + ... + 417600.

It is an arithmetic number, because the mean of its divisors is an integer number (3758139).

Almost surely, 225054230 is an apocalyptic number.

25054230 is an abundant number, since it is smaller than the sum of its proper divisors (35075994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25054230 is a wasteful number, since it uses less digits than its factorization.

25054230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835151.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 25054230 is about 5005.4200622925. The cubic root of 25054230 is about 292.6130471061.

Adding to 25054230 its reverse (3245052), we get a palindrome (28299282).

The spelling of 25054230 in words is "twenty-five million, fifty-four thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 835141 1670282 2505423 4175705 5010846 8351410 12527115 25054230