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109440001 = 1119750503
BaseRepresentation
bin1101000010111…
…10110000000001
321121221010110101
412201132300001
5211004040001
614505402401
72466140026
oct641366001
9247833411
10109440001
1156859990
1230799401
131989a4c8
141076b54d
15991ba01
hex685ec01

109440001 has 8 divisors (see below), whose sum is σ = 119997504. Its totient is φ = 98983920.

The previous prime is 109439989. The next prime is 109440041. The reversal of 109440001 is 100044901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109440001 - 27 = 109439873 is a prime.

It is a super-2 number, since 2×1094400012 = 23954227637760002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (109440041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23085 + ... + 27418.

It is an arithmetic number, because the mean of its divisors is an integer number (14999688).

Almost surely, 2109440001 is an apocalyptic number.

109440001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

109440001 is a deficient number, since it is larger than the sum of its proper divisors (10557503).

109440001 is a wasteful number, since it uses less digits than its factorization.

109440001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50711.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 109440001 is about 10461.3575122926. The cubic root of 109440001 is about 478.3275140290.

Adding to 109440001 its reverse (100044901), we get a palindrome (209484902).

The spelling of 109440001 in words is "one hundred nine million, four hundred forty thousand, one".

Divisors: 1 11 197 2167 50503 555533 9949091 109440001