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76640353 is a prime number
BaseRepresentation
bin1001001000101…
…11000001100001
312100012201210121
410210113001201
5124104442403
611334400241
71620301156
oct444270141
9170181717
1076640353
113a297039
1221800081
1312b5512a
14a27022d
156add3bd
hex4917061

76640353 has 2 divisors, whose sum is σ = 76640354. Its totient is φ = 76640352.

The previous prime is 76640327. The next prime is 76640363. The reversal of 76640353 is 35304667.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76597504 + 42849 = 8752^2 + 207^2 .

It is an emirp because it is prime and its reverse (35304667) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76640353 - 25 = 76640321 is a prime.

It is not a weakly prime, because it can be changed into another prime (76640363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38320176 + 38320177.

It is an arithmetic number, because the mean of its divisors is an integer number (38320177).

Almost surely, 276640353 is an apocalyptic number.

It is an amenable number.

76640353 is a deficient number, since it is larger than the sum of its proper divisors (1).

76640353 is an equidigital number, since it uses as much as digits as its factorization.

76640353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 76640353 is about 8754.4476124996. The cubic root of 76640353 is about 424.7686916639.

The spelling of 76640353 in words is "seventy-six million, six hundred forty thousand, three hundred fifty-three".