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33868193 is a prime number
BaseRepresentation
bin1000000100110…
…0100110100001
32100201200102112
42001030212201
532132240233
63205525105
7560606042
oct201144641
970650375
1033868193
1118132747
12b413795
13702a868
1446d88c9
152e90048
hex204c9a1

33868193 has 2 divisors, whose sum is σ = 33868194. Its totient is φ = 33868192.

The previous prime is 33868157. The next prime is 33868253. The reversal of 33868193 is 39186833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33443089 + 425104 = 5783^2 + 652^2 .

It is a cyclic number.

It is not a de Polignac number, because 33868193 - 212 = 33864097 is a prime.

It is a super-2 number, since 2×338681932 = 2294108994170498, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 33868193.

It is not a weakly prime, because it can be changed into another prime (33868103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16934096 + 16934097.

It is an arithmetic number, because the mean of its divisors is an integer number (16934097).

Almost surely, 233868193 is an apocalyptic number.

It is an amenable number.

33868193 is a deficient number, since it is larger than the sum of its proper divisors (1).

33868193 is an equidigital number, since it uses as much as digits as its factorization.

33868193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 41.

The square root of 33868193 is about 5819.6385626601. The cubic root of 33868193 is about 323.5420070993.

The spelling of 33868193 in words is "thirty-three million, eight hundred sixty-eight thousand, one hundred ninety-three".