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103531005 = 3252300689
BaseRepresentation
bin1100010101111…
…00000111111101
321012210220211200
412022330013331
5203000443010
614135010113
72364666444
oct612740775
9235726750
10103531005
1153493416
122a809939
13185aba66
14da6dd5b
159150cc0
hex62bc1fd

103531005 has 12 divisors (see below), whose sum is σ = 179453820. Its totient is φ = 55216512.

The previous prime is 103530997. The next prime is 103531031. The reversal of 103531005 is 500135301.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20848356 + 82682649 = 4566^2 + 9093^2 .

It is not a de Polignac number, because 103531005 - 23 = 103530997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1150300 + ... + 1150389.

It is an arithmetic number, because the mean of its divisors is an integer number (14954485).

Almost surely, 2103531005 is an apocalyptic number.

103531005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103531005 is a deficient number, since it is larger than the sum of its proper divisors (75922815).

103531005 is a wasteful number, since it uses less digits than its factorization.

103531005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300700 (or 2300697 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 103531005 is about 10175.0186732015. The cubic root of 103531005 is about 469.5589721336.

Adding to 103531005 its reverse (500135301), we get a palindrome (603666306).

The spelling of 103531005 in words is "one hundred three million, five hundred thirty-one thousand, five".

Divisors: 1 3 5 9 15 45 2300689 6902067 11503445 20706201 34510335 103531005