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8130977 is a prime number
BaseRepresentation
bin11111000001000110100001
3120022002121022
4133001012201
54040142402
6450135225
7126053321
oct37010641
916262538
108130977
114653a18
122881515
1318b8c3a
141119281
15aa92a2
hex7c11a1

8130977 has 2 divisors, whose sum is σ = 8130978. Its totient is φ = 8130976.

The previous prime is 8130973. The next prime is 8130989. The reversal of 8130977 is 7790318.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7349521 + 781456 = 2711^2 + 884^2 .

It is a cyclic number.

It is not a de Polignac number, because 8130977 - 22 = 8130973 is a prime.

It is a super-2 number, since 2×81309772 = 132225573949058, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8130973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4065488 + 4065489.

It is an arithmetic number, because the mean of its divisors is an integer number (4065489).

Almost surely, 28130977 is an apocalyptic number.

It is an amenable number.

8130977 is a deficient number, since it is larger than the sum of its proper divisors (1).

8130977 is an equidigital number, since it uses as much as digits as its factorization.

8130977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 8130977 is about 2851.4868051597. The cubic root of 8130977 is about 201.0855720062.

The spelling of 8130977 in words is "eight million, one hundred thirty thousand, nine hundred seventy-seven".