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103686841 = 472206103
BaseRepresentation
bin1100010111000…
…10001010111001
321020002211121101
412023202022321
5203020434331
614142211401
72366215666
oct613421271
9236084541
10103686841
115358a505
122a883b61
131863497b
14dab0a6d
159182061
hex62e22b9

103686841 has 4 divisors (see below), whose sum is σ = 105892992. Its totient is φ = 101480692.

The previous prime is 103686809. The next prime is 103686851. The reversal of 103686841 is 148686301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103686841 - 25 = 103686809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103686841.

It is not an unprimeable number, because it can be changed into a prime (103686851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1103005 + ... + 1103098.

It is an arithmetic number, because the mean of its divisors is an integer number (26473248).

Almost surely, 2103686841 is an apocalyptic number.

It is an amenable number.

103686841 is a deficient number, since it is larger than the sum of its proper divisors (2206151).

103686841 is an equidigital number, since it uses as much as digits as its factorization.

103686841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206150.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 103686841 is about 10182.6735683709. The cubic root of 103686841 is about 469.7944491241.

The spelling of 103686841 in words is "one hundred three million, six hundred eighty-six thousand, eight hundred forty-one".

Divisors: 1 47 2206103 103686841