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69961741 is a prime number
BaseRepresentation
bin1000010101110…
…00100000001101
311212122102110121
410022320200031
5120402233431
610535304541
71506444043
oct412704015
9155572417
1069961741
1136545323
121b51b151
13116572a5
149412393
15621e611
hex42b880d

69961741 has 2 divisors, whose sum is σ = 69961742. Its totient is φ = 69961740.

The previous prime is 69961711. The next prime is 69961747. The reversal of 69961741 is 14716996.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53728900 + 16232841 = 7330^2 + 4029^2 .

It is a cyclic number.

It is not a de Polignac number, because 69961741 - 213 = 69953549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69961747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34980870 + 34980871.

It is an arithmetic number, because the mean of its divisors is an integer number (34980871).

Almost surely, 269961741 is an apocalyptic number.

It is an amenable number.

69961741 is a deficient number, since it is larger than the sum of its proper divisors (1).

69961741 is an equidigital number, since it uses as much as digits as its factorization.

69961741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 43.

The square root of 69961741 is about 8364.3135402733. The cubic root of 69961741 is about 412.0534323669.

The spelling of 69961741 in words is "sixty-nine million, nine hundred sixty-one thousand, seven hundred forty-one".