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103511072 = 257462103
BaseRepresentation
bin1100010101101…
…11010000100000
321012202220111102
412022313100200
5202444323242
614134333532
72364554360
oct612672040
9235686442
10103511072
115347a445
122a7ba2a8
13185a2972
14da669a0
159149e32
hex62b7420

103511072 has 24 divisors (see below), whose sum is σ = 232900416. Its totient is φ = 44361792.

The previous prime is 103511071. The next prime is 103511099. The reversal of 103511072 is 270115301.

It is not an unprimeable number, because it can be changed into a prime (103511071) 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 3 ways as a sum of consecutive naturals, for example, 230828 + ... + 231275.

It is an arithmetic number, because the mean of its divisors is an integer number (9704184).

Almost surely, 2103511072 is an apocalyptic number.

It is an amenable number.

103511072 is an abundant number, since it is smaller than the sum of its proper divisors (129389344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103511072 is an equidigital number, since it uses as much as digits as its factorization.

103511072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462120 (or 462112 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 103511072 is about 10174.0391192486. The cubic root of 103511072 is about 469.5288352043.

Adding to 103511072 its reverse (270115301), we get a palindrome (373626373).

The spelling of 103511072 in words is "one hundred three million, five hundred eleven thousand, seventy-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 462103 924206 1848412 3234721 3696824 6469442 7393648 12938884 14787296 25877768 51755536 103511072