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33230133 = 3212233019
BaseRepresentation
bin111111011000…
…0110100110101
32022112021011200
41332300310311
532001331013
63144123113
7552310566
oct176606465
968467150
1033230133
1117837322
12b166499
136b66301
1445b016d
152db5e73
hex1fb0d35

33230133 has 12 divisors (see below), whose sum is σ = 48054240. Its totient is φ = 22127976.

The previous prime is 33230123. The next prime is 33230137. The reversal of 33230133 is 33103233.

33230133 is a `hidden beast` number, since 332 + 301 + 33 = 666.

It is not a de Polignac number, because 33230133 - 28 = 33229877 is a prime.

It is a super-2 number, since 2×332301332 = 2208483478395378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33230137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9498 + ... + 12516.

It is an arithmetic number, because the mean of its divisors is an integer number (4004520).

Almost surely, 233230133 is an apocalyptic number.

It is an amenable number.

33230133 is a deficient number, since it is larger than the sum of its proper divisors (14824107).

33230133 is a wasteful number, since it uses less digits than its factorization.

33230133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4248 (or 4245 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

The square root of 33230133 is about 5764.5583525540. The cubic root of 33230133 is about 321.4973220980.

Adding to 33230133 its reverse (33103233), we get a palindrome (66333366).

The spelling of 33230133 in words is "thirty-three million, two hundred thirty thousand, one hundred thirty-three".

Divisors: 1 3 9 1223 3019 3669 9057 11007 27171 3692237 11076711 33230133