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77130341 is a prime number
BaseRepresentation
bin1001001100011…
…10101001100101
312101010121221022
410212032221211
5124221132331
611353100525
71624411541
oct446165145
9171117838
1077130341
113a5a1192
12219b7745
1312c97172
14a35aa21
156b8867b
hex498ea65

77130341 has 2 divisors, whose sum is σ = 77130342. Its totient is φ = 77130340.

The previous prime is 77130331. The next prime is 77130359. The reversal of 77130341 is 14303177.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46648900 + 30481441 = 6830^2 + 5521^2 .

It is a cyclic number.

It is not a de Polignac number, because 77130341 - 210 = 77129317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77130341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77130331) 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, 38565170 + 38565171.

It is an arithmetic number, because the mean of its divisors is an integer number (38565171).

Almost surely, 277130341 is an apocalyptic number.

It is an amenable number.

77130341 is a deficient number, since it is larger than the sum of its proper divisors (1).

77130341 is an equidigital number, since it uses as much as digits as its factorization.

77130341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 77130341 is about 8782.3881148581. The cubic root of 77130341 is about 425.6719998656.

The spelling of 77130341 in words is "seventy-seven million, one hundred thirty thousand, three hundred forty-one".