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61424219 is a prime number
BaseRepresentation
bin1110101001010…
…0001001011011
311021120200012002
43222110021123
5111211033334
610032311215
71344045233
oct352241133
9137520162
1061424219
1131743a1a
12186a250b
13c9582bc
14822ccc3
1555d4b7e
hex3a9425b

61424219 has 2 divisors, whose sum is σ = 61424220. Its totient is φ = 61424218.

The previous prime is 61424189. The next prime is 61424243. The reversal of 61424219 is 91242416.

61424219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61424219 - 28 = 61423963 is a prime.

It is a super-2 number, since 2×614242192 = 7545869359519922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 61424191 and 61424200.

It is not a weakly prime, because it can be changed into another prime (61424249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30712109 + 30712110.

It is an arithmetic number, because the mean of its divisors is an integer number (30712110).

Almost surely, 261424219 is an apocalyptic number.

61424219 is a deficient number, since it is larger than the sum of its proper divisors (1).

61424219 is an equidigital number, since it uses as much as digits as its factorization.

61424219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The square root of 61424219 is about 7837.3604612778. The cubic root of 61424219 is about 394.5601448917.

The spelling of 61424219 in words is "sixty-one million, four hundred twenty-four thousand, two hundred nineteen".