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33025230 = 23257193189
BaseRepresentation
bin111110111111…
…0110011001110
32022010212002200
41331332303032
531423301410
63135502330
7550465320
oct175766316
968125080
1033025230
1117707387
12b0879a6
136ac3c74
144559610
152d753c0
hex1f7ecce

33025230 has 192 divisors, whose sum is σ = 107827200. Its totient is φ = 6842880.

The previous prime is 33025219. The next prime is 33025241. The reversal of 33025230 is 3252033.

It is an interprime number because it is at equal distance from previous prime (33025219) and next prime (33025241).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 371026 + ... + 371114.

It is an arithmetic number, because the mean of its divisors is an integer number (561600).

Almost surely, 233025230 is an apocalyptic number.

33025230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 33025230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53913600).

33025230 is an abundant number, since it is smaller than the sum of its proper divisors (74801970).

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

33025230 is a wasteful number, since it uses less digits than its factorization.

33025230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 156 counting only the distinct ones).

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

The square root of 33025230 is about 5746.7582165948. The cubic root of 33025230 is about 320.8351557026.

Adding to 33025230 its reverse (3252033), we get a palindrome (36277263).

The spelling of 33025230 in words is "thirty-three million, twenty-five thousand, two hundred thirty".