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33253253 = 113319133
BaseRepresentation
bin111111011011…
…0011110000101
32022120102212222
41332312132011
532003101003
63144422125
7552435155
oct176663605
968512788
1033253253
1117852730
12b177945
136b739a7
1445b8765
152dbcc38
hex1fb6785

33253253 has 8 divisors (see below), whose sum is σ = 36389856. Its totient is φ = 30135600.

The previous prime is 33253243. The next prime is 33253267. The reversal of 33253253 is 35235233.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33253253 - 24 = 33253237 is a prime.

It is a super-2 number, since 2×332532532 = 2211557670164018, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33253223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 926 + ... + 8207.

It is an arithmetic number, because the mean of its divisors is an integer number (4548732).

Almost surely, 233253253 is an apocalyptic number.

It is an amenable number.

33253253 is a deficient number, since it is larger than the sum of its proper divisors (3136603).

33253253 is a wasteful number, since it uses less digits than its factorization.

33253253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9475.

The product of its digits is 8100, while the sum is 26.

The square root of 33253253 is about 5766.5633613097. The cubic root of 33253253 is about 321.5718658352.

Adding to 33253253 its reverse (35235233), we get a palindrome (68488486).

The spelling of 33253253 in words is "thirty-three million, two hundred fifty-three thousand, two hundred fifty-three".

Divisors: 1 11 331 3641 9133 100463 3023023 33253253