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105503241 = 31711318307
BaseRepresentation
bin1100100100111…
…01101000001001
321100112010020110
412102131220021
5204002100431
614245144533
72420522424
oct622355011
9240463213
10105503241
1154610168
122b3bb149
1318b1c66c
14100249bb
1593e0346
hex649da09

105503241 has 16 divisors (see below), whose sum is σ = 150272064. Its totient is φ = 65608704.

The previous prime is 105503201. The next prime is 105503263. The reversal of 105503241 is 142305501.

It is not a de Polignac number, because 105503241 - 221 = 103406089 is a prime.

It is a super-2 number, since 2×1055032412 = 22261867723008162, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105503201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3391 + ... + 14916.

It is an arithmetic number, because the mean of its divisors is an integer number (9392004).

Almost surely, 2105503241 is an apocalyptic number.

It is an amenable number.

105503241 is a deficient number, since it is larger than the sum of its proper divisors (44768823).

105503241 is a wasteful number, since it uses less digits than its factorization.

105503241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18440.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 105503241 is about 10271.4770602869. The cubic root of 105503241 is about 472.5218914300.

Adding to 105503241 its reverse (142305501), we get a palindrome (247808742).

The spelling of 105503241 in words is "one hundred five million, five hundred three thousand, two hundred forty-one".

Divisors: 1 3 17 51 113 339 1921 5763 18307 54921 311219 933657 2068691 6206073 35167747 105503241