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33754121 is a prime number
BaseRepresentation
bin1000000011000…
…0110000001001
32100111212221122
42000300300021
532120112441
63203245025
7556622342
oct200606011
970455848
1033754121
1118064a75
12b379775
136cba96b
1446a90c9
152e6b34b
hex2030c09

33754121 has 2 divisors, whose sum is σ = 33754122. Its totient is φ = 33754120.

The previous prime is 33754103. The next prime is 33754159. The reversal of 33754121 is 12145733.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20830096 + 12924025 = 4564^2 + 3595^2 .

It is an emirp because it is prime and its reverse (12145733) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33754121 - 218 = 33491977 is a prime.

It is a super-2 number, since 2×337541212 = 2278681368965282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33754321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16877060 + 16877061.

It is an arithmetic number, because the mean of its divisors is an integer number (16877061).

Almost surely, 233754121 is an apocalyptic number.

It is an amenable number.

33754121 is a deficient number, since it is larger than the sum of its proper divisors (1).

33754121 is an equidigital number, since it uses as much as digits as its factorization.

33754121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 26.

The square root of 33754121 is about 5809.8296876931. The cubic root of 33754121 is about 323.1783561922.

Adding to 33754121 its reverse (12145733), we get a palindrome (45899854).

The spelling of 33754121 in words is "thirty-three million, seven hundred fifty-four thousand, one hundred twenty-one".