Base | Representation |
---|---|
bin | 1100100010111… |
… | …00000001110111 |
3 | 21100000110122222 |
4 | 12101130001313 |
5 | 203420001201 |
6 | 14235312555 |
7 | 2415323162 |
oct | 621340167 |
9 | 240013588 |
10 | 105234551 |
11 | 54447304 |
12 | 2b2ab75b |
13 | 18a57286 |
14 | dd94ad9 |
15 | 938a91b |
hex | 645c077 |
105234551 has 6 divisors (see below), whose sum is σ = 107523480. Its totient is φ = 102993356.
The previous prime is 105234529. The next prime is 105234581. The reversal of 105234551 is 155432501.
It is a de Polignac number, because none of the positive numbers 2k-105234551 is a prime.
It is a super-2 number, since 2×1052345512 = 22148621448343202, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 105234551.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105234581) 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 5 ways as a sum of consecutive naturals, for example, 21611 + ... + 26028.
It is an arithmetic number, because the mean of its divisors is an integer number (17920580).
Almost surely, 2105234551 is an apocalyptic number.
105234551 is a deficient number, since it is larger than the sum of its proper divisors (2288929).
105234551 is an frugal number, since it uses more digits than its factorization.
105234551 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47733 (or 47686 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 26.
The square root of 105234551 is about 10258.3892985205. The cubic root of 105234551 is about 472.1204192777.
The spelling of 105234551 in words is "one hundred five million, two hundred thirty-four thousand, five hundred fifty-one".
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