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61123241 is a prime number
BaseRepresentation
bin1110100100101…
…0101010101001
311021000101022202
43221022222221
5111121420431
610022025545
71341352604
oct351125251
9137011282
1061123241
1131558883
12185782b5
13c8812ca
14819133b
1555758cb
hex3a4aaa9

61123241 has 2 divisors, whose sum is σ = 61123242. Its totient is φ = 61123240.

The previous prime is 61123219. The next prime is 61123267. The reversal of 61123241 is 14232116.

61123241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45091225 + 16032016 = 6715^2 + 4004^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61123241 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61123201) 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, 30561620 + 30561621.

It is an arithmetic number, because the mean of its divisors is an integer number (30561621).

Almost surely, 261123241 is an apocalyptic number.

It is an amenable number.

61123241 is a deficient number, since it is larger than the sum of its proper divisors (1).

61123241 is an equidigital number, since it uses as much as digits as its factorization.

61123241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 20.

The square root of 61123241 is about 7818.1353915112. The cubic root of 61123241 is about 393.9146426274.

Adding to 61123241 its reverse (14232116), we get a palindrome (75355357).

The spelling of 61123241 in words is "sixty-one million, one hundred twenty-three thousand, two hundred forty-one".