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61338283 is a prime number
BaseRepresentation
bin1110100111111…
…1001010101011
311021102022022021
43221333022223
5111200311113
610030405311
71343236546
oct351771253
9137368267
1061338283
11316953a6
1218660837
13c928156
14820985d
1555b948d
hex3a7f2ab

61338283 has 2 divisors, whose sum is σ = 61338284. Its totient is φ = 61338282.

The previous prime is 61338281. The next prime is 61338317. The reversal of 61338283 is 38283316.

It is an a-pointer prime, because the next prime (61338317) can be obtained adding 61338283 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61338283 - 21 = 61338281 is a prime.

It is a super-2 number, since 2×613382832 = 7524769922776178, which contains 22 as substring.

Together with 61338281, it forms a pair of twin primes.

It is equal to p3636745 and since 61338283 and 3636745 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (61338281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30669141 + 30669142.

It is an arithmetic number, because the mean of its divisors is an integer number (30669142).

Almost surely, 261338283 is an apocalyptic number.

61338283 is a deficient number, since it is larger than the sum of its proper divisors (1).

61338283 is an equidigital number, since it uses as much as digits as its factorization.

61338283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 34.

The square root of 61338283 is about 7831.8760843108. The cubic root of 61338283 is about 394.3760549348.

The spelling of 61338283 in words is "sixty-one million, three hundred thirty-eight thousand, two hundred eighty-three".