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109630043 = 313536453
BaseRepresentation
bin1101000100011…
…01001001011011
321122021210010222
412202031021123
5211031130133
614513430255
72500561055
oct642151133
9248253128
10109630043
1156979746
123086b38b
1319935b63
14107ba8d5
159957e98
hex688d25b

109630043 has 4 divisors (see below), whose sum is σ = 113166528. Its totient is φ = 106093560.

The previous prime is 109630039. The next prime is 109630049. The reversal of 109630043 is 340036901.

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 109630043 - 22 = 109630039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109629994 and 109630021.

It is not an unprimeable number, because it can be changed into a prime (109630049) 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, 1768196 + ... + 1768257.

It is an arithmetic number, because the mean of its divisors is an integer number (28291632).

Almost surely, 2109630043 is an apocalyptic number.

109630043 is a deficient number, since it is larger than the sum of its proper divisors (3536485).

109630043 is an equidigital number, since it uses as much as digits as its factorization.

109630043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3536484.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 109630043 is about 10470.4366193583. The cubic root of 109630043 is about 478.6042250127.

Adding to 109630043 its reverse (340036901), we get a palindrome (449666944).

The spelling of 109630043 in words is "one hundred nine million, six hundred thirty thousand, forty-three".

Divisors: 1 31 3536453 109630043