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106907881 is a prime number
BaseRepresentation
bin1100101111101…
…00100011101001
321110011111001011
412113310203221
5204332023011
614335223521
72435462533
oct627644351
9243144034
10106907881
115538a523
122b977ba1
13191c1b02
14102ac853
1595bb621
hex65f48e9

106907881 has 2 divisors, whose sum is σ = 106907882. Its totient is φ = 106907880.

The previous prime is 106907797. The next prime is 106907893. The reversal of 106907881 is 188709601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62552281 + 44355600 = 7909^2 + 6660^2 .

It is a cyclic number.

It is not a de Polignac number, because 106907881 - 211 = 106905833 is a prime.

It is a super-2 number, since 2×1069078812 = 22858590039820322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106907081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53453940 + 53453941.

It is an arithmetic number, because the mean of its divisors is an integer number (53453941).

Almost surely, 2106907881 is an apocalyptic number.

It is an amenable number.

106907881 is a deficient number, since it is larger than the sum of its proper divisors (1).

106907881 is an equidigital number, since it uses as much as digits as its factorization.

106907881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 106907881 is about 10339.6267340751. The cubic root of 106907881 is about 474.6096604830.

The spelling of 106907881 in words is "one hundred six million, nine hundred seven thousand, eight hundred eighty-one".