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33243141 = 319583213
BaseRepresentation
bin111111011010…
…0000000000101
32022112221000110
41332310000011
532002240031
63144303233
7552363531
oct176640005
968487013
1033243141
1117846078
12b171b19
136b6c1c9
1445b4bc1
152db9c46
hex1fb4005

33243141 has 8 divisors (see below), whose sum is σ = 46657120. Its totient is φ = 20995632.

The previous prime is 33243097. The next prime is 33243157. The reversal of 33243141 is 14134233.

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

It is not a de Polignac number, because 33243141 - 214 = 33226757 is a prime.

It is a super-2 number, since 2×332431412 = 2210212847091762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33243181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291550 + ... + 291663.

It is an arithmetic number, because the mean of its divisors is an integer number (5832140).

Almost surely, 233243141 is an apocalyptic number.

It is an amenable number.

33243141 is a deficient number, since it is larger than the sum of its proper divisors (13413979).

33243141 is a wasteful number, since it uses less digits than its factorization.

33243141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583235.

The product of its digits is 864, while the sum is 21.

The square root of 33243141 is about 5765.6865159320. The cubic root of 33243141 is about 321.5392668754.

Adding to 33243141 its reverse (14134233), we get a palindrome (47377374).

The spelling of 33243141 in words is "thirty-three million, two hundred forty-three thousand, one hundred forty-one".

Divisors: 1 3 19 57 583213 1749639 11081047 33243141