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76840201 is a prime number
BaseRepresentation
bin1001001010001…
…11110100001001
312100120212221101
410211013310021
5124132341301
611342541401
71622062624
oct445076411
9170525841
1076840201
113a4131a9
1221897861
1312bc5099
14a2c2dbb
156b2c701
hex4947d09

76840201 has 2 divisors, whose sum is σ = 76840202. Its totient is φ = 76840200.

The previous prime is 76840193. The next prime is 76840229. The reversal of 76840201 is 10204867.

It is an a-pointer prime, because the next prime (76840229) can be obtained adding 76840201 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69555600 + 7284601 = 8340^2 + 2699^2 .

It is a cyclic number.

It is not a de Polignac number, because 76840201 - 23 = 76840193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76840201.

It is not a weakly prime, because it can be changed into another prime (76840261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38420100 + 38420101.

It is an arithmetic number, because the mean of its divisors is an integer number (38420101).

Almost surely, 276840201 is an apocalyptic number.

It is an amenable number.

76840201 is a deficient number, since it is larger than the sum of its proper divisors (1).

76840201 is an equidigital number, since it uses as much as digits as its factorization.

76840201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 76840201 is about 8765.8542652727. The cubic root of 76840201 is about 425.1375812935.

The spelling of 76840201 in words is "seventy-six million, eight hundred forty thousand, two hundred one".