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25030233 = 3223120919
BaseRepresentation
bin101111101111…
…0111001011001
31202002200000200
41133132321121
522401431413
62252252413
7422516304
oct137367131
952080020
1025030233
1113146648
128471109
135254bb7
143477b3b
1522e6573
hex17dee59

25030233 has 12 divisors (see below), whose sum is σ = 37727040. Its totient is φ = 15961176.

The previous prime is 25030223. The next prime is 25030259. The reversal of 25030233 is 33203052.

It is not a de Polignac number, because 25030233 - 26 = 25030169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25030223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60253 + ... + 60666.

It is an arithmetic number, because the mean of its divisors is an integer number (3143920).

Almost surely, 225030233 is an apocalyptic number.

25030233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

25030233 is a deficient number, since it is larger than the sum of its proper divisors (12696807).

25030233 is a wasteful number, since it uses less digits than its factorization.

25030233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120948 (or 120945 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 25030233 is about 5003.0223865180. The cubic root of 25030233 is about 292.5195954437.

Adding to 25030233 its reverse (33203052), we get a palindrome (58233285).

The spelling of 25030233 in words is "twenty-five million, thirty thousand, two hundred thirty-three".

Divisors: 1 3 9 23 69 207 120919 362757 1088271 2781137 8343411 25030233