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33290141 is a prime number
BaseRepresentation
bin111111011111…
…1011110011101
32022122022111012
41332333132131
532010241031
63145305005
7552650543
oct176773635
968568435
1033290141
1117878415
12b195165
136b87711
1445c7d93
152dc8b2b
hex1fbf79d

33290141 has 2 divisors, whose sum is σ = 33290142. Its totient is φ = 33290140.

The previous prime is 33290119. The next prime is 33290143. The reversal of 33290141 is 14109233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31248100 + 2042041 = 5590^2 + 1429^2 .

It is a cyclic number.

It is not a de Polignac number, because 33290141 - 26 = 33290077 is a prime.

It is a super-2 number, since 2×332901412 = 2216466975599762, which contains 22 as substring.

Together with 33290143, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p2048423 and since 33290141 and 2048423 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33290143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16645070 + 16645071.

It is an arithmetic number, because the mean of its divisors is an integer number (16645071).

Almost surely, 233290141 is an apocalyptic number.

It is an amenable number.

33290141 is a deficient number, since it is larger than the sum of its proper divisors (1).

33290141 is an equidigital number, since it uses as much as digits as its factorization.

33290141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 33290141 is about 5769.7609135908. The cubic root of 33290141 is about 321.6907289877.

Adding to 33290141 its reverse (14109233), we get a palindrome (47399374).

The spelling of 33290141 in words is "thirty-three million, two hundred ninety thousand, one hundred forty-one".