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33868057 is a prime number
BaseRepresentation
bin1000000100110…
…0100100011001
32100201200020111
42001030210121
532132234212
63205524321
7560605456
oct201144431
970650214
1033868057
1118132633
12b4136a1
13702a792
1446d882d
152e8eea7
hex204c919

33868057 has 2 divisors, whose sum is σ = 33868058. Its totient is φ = 33868056.

The previous prime is 33868049. The next prime is 33868073. The reversal of 33868057 is 75086833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26998416 + 6869641 = 5196^2 + 2621^2 .

It is a cyclic number.

It is not a de Polignac number, because 33868057 - 23 = 33868049 is a prime.

It is a super-2 number, since 2×338680572 = 2294090569910498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33868157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16934028 + 16934029.

It is an arithmetic number, because the mean of its divisors is an integer number (16934029).

Almost surely, 233868057 is an apocalyptic number.

It is an amenable number.

33868057 is a deficient number, since it is larger than the sum of its proper divisors (1).

33868057 is an equidigital number, since it uses as much as digits as its factorization.

33868057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 33868057 is about 5819.6268780739. The cubic root of 33868057 is about 323.5415740306.

The spelling of 33868057 in words is "thirty-three million, eight hundred sixty-eight thousand, fifty-seven".