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105076009 is a prime number
BaseRepresentation
bin1100100001101…
…01010100101001
321022201102012001
412100311110221
5203344413014
614232051001
72414063023
oct620652451
9238642161
10105076009
1154349185
122b233a61
1318a0006c
14dd53013
159358974
hex6435529

105076009 has 2 divisors, whose sum is σ = 105076010. Its totient is φ = 105076008.

The previous prime is 105076007. The next prime is 105076021. The reversal of 105076009 is 900670501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100000000 + 5076009 = 10000^2 + 2253^2 .

It is a cyclic number.

It is not a de Polignac number, because 105076009 - 21 = 105076007 is a prime.

It is a super-2 number, since 2×1050760092 = 22081935334736162, which contains 22 as substring.

Together with 105076007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (105076003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52538004 + 52538005.

It is an arithmetic number, because the mean of its divisors is an integer number (52538005).

Almost surely, 2105076009 is an apocalyptic number.

It is an amenable number.

105076009 is a deficient number, since it is larger than the sum of its proper divisors (1).

105076009 is an equidigital number, since it uses as much as digits as its factorization.

105076009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 105076009 is about 10250.6589544282. The cubic root of 105076009 is about 471.8832077809.

The spelling of 105076009 in words is "one hundred five million, seventy-six thousand, nine".