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103881443 = 145171593
BaseRepresentation
bin1100011000100…
…01101011100011
321020110201112212
412030101223203
5203043201233
614150312335
72400656231
oct614215343
9236421485
10103881443
1153702736
122a9586ab
13186a2413
14db21951
1591bea48
hex6311ae3

103881443 has 4 divisors (see below), whose sum is σ = 103954488. Its totient is φ = 103808400.

The previous prime is 103881433. The next prime is 103881457. The reversal of 103881443 is 344188301.

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

It is a cyclic number.

It is not a de Polignac number, because 103881443 - 28 = 103881187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103881433) 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, 34346 + ... + 37247.

It is an arithmetic number, because the mean of its divisors is an integer number (25988622).

Almost surely, 2103881443 is an apocalyptic number.

103881443 is a deficient number, since it is larger than the sum of its proper divisors (73045).

103881443 is an equidigital number, since it uses as much as digits as its factorization.

103881443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73044.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 103881443 is about 10192.2246344947. The cubic root of 103881443 is about 470.0881726835.

The spelling of 103881443 in words is "one hundred three million, eight hundred eighty-one thousand, four hundred forty-three".

Divisors: 1 1451 71593 103881443