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8135069 is a prime number
BaseRepresentation
bin11111000010000110011101
3120022022012212
4133002012131
54040310234
6450210205
7126101255
oct37020635
916268185
108135069
114656aa8
122883965
1318baa67
14111a965
15aaa5ce
hex7c219d

8135069 has 2 divisors, whose sum is σ = 8135070. Its totient is φ = 8135068.

The previous prime is 8135063. The next prime is 8135081. The reversal of 8135069 is 9605318.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6604900 + 1530169 = 2570^2 + 1237^2 .

It is a cyclic number.

It is not a de Polignac number, because 8135069 - 24 = 8135053 is a prime.

It is a super-2 number, since 2×81350692 = 132358695269522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8135063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4067534 + 4067535.

It is an arithmetic number, because the mean of its divisors is an integer number (4067535).

Almost surely, 28135069 is an apocalyptic number.

It is an amenable number.

8135069 is a deficient number, since it is larger than the sum of its proper divisors (1).

8135069 is an equidigital number, since it uses as much as digits as its factorization.

8135069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 8135069 is about 2852.2042353240. The cubic root of 8135069 is about 201.1192991612.

The spelling of 8135069 in words is "eight million, one hundred thirty-five thousand, sixty-nine".