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77107241 is a prime number
BaseRepresentation
bin1001001100010…
…01000000101001
312101002110020202
410212021000221
5124214412431
611352401545
71624254311
oct446110051
9171073222
1077107241
113a5858a2
12219a62b5
1312c897b3
14a352441
156b818cb
hex4989029

77107241 has 2 divisors, whose sum is σ = 77107242. Its totient is φ = 77107240.

The previous prime is 77107231. The next prime is 77107279. The reversal of 77107241 is 14270177.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54449641 + 22657600 = 7379^2 + 4760^2 .

It is a cyclic number.

It is not a de Polignac number, because 77107241 - 210 = 77106217 is a prime.

It is a super-2 number, since 2×771072412 = 11891053229264162, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (77107211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38553620 + 38553621.

It is an arithmetic number, because the mean of its divisors is an integer number (38553621).

Almost surely, 277107241 is an apocalyptic number.

It is an amenable number.

77107241 is a deficient number, since it is larger than the sum of its proper divisors (1).

77107241 is an equidigital number, since it uses as much as digits as its factorization.

77107241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 77107241 is about 8781.0728843348. The cubic root of 77107241 is about 425.6295003560.

The spelling of 77107241 in words is "seventy-seven million, one hundred seven thousand, two hundred forty-one".