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107831041 = 113954257
BaseRepresentation
bin1100110110101…
…01111100000001
321111220101101021
412123111330001
5210101043131
614411105441
72446356133
oct633257401
9244811337
10107831041
115596006a
1230142281
1319456066
141046d053
1596eee11
hex66d5f01

107831041 has 4 divisors (see below), whose sum is σ = 108785412. Its totient is φ = 106876672.

The previous prime is 107831033. The next prime is 107831047. The reversal of 107831041 is 140138701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56565441 + 51265600 = 7521^2 + 7160^2 .

It is a cyclic number.

It is not a de Polignac number, because 107831041 - 23 = 107831033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 107830997 and 107831015.

It is not an unprimeable number, because it can be changed into a prime (107831047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477016 + ... + 477241.

It is an arithmetic number, because the mean of its divisors is an integer number (27196353).

Almost surely, 2107831041 is an apocalyptic number.

It is an amenable number.

107831041 is a deficient number, since it is larger than the sum of its proper divisors (954371).

107831041 is an equidigital number, since it uses as much as digits as its factorization.

107831041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954370.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 107831041 is about 10384.1726199057. The cubic root of 107831041 is about 475.9718473687.

Adding to 107831041 its reverse (140138701), we get a palindrome (247969742).

The spelling of 107831041 in words is "one hundred seven million, eight hundred thirty-one thousand, forty-one".

Divisors: 1 113 954257 107831041