Base | Representation |
---|---|
bin | 1100100001010… |
… | …01101110111110 |
3 | 21022122000002000 |
4 | 12100221232332 |
5 | 203341403132 |
6 | 14231043130 |
7 | 2413504443 |
oct | 620515676 |
9 | 238560060 |
10 | 105028542 |
11 | 54316553 |
12 | 2b2104a6 |
13 | 189b4588 |
14 | dd3d9ca |
15 | 934987c |
hex | 6429bbe |
105028542 has 32 divisors (see below), whose sum is σ = 245683200. Its totient is φ = 33166584.
The previous prime is 105028541. The next prime is 105028543. The reversal of 105028542 is 245820501.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (105028541) and next prime (105028543).
It is a super-2 number, since 2×1050285422 = 22061989269291528, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105028541) 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, 50158 + ... + 52209.
It is an arithmetic number, because the mean of its divisors is an integer number (7677600).
Almost surely, 2105028542 is an apocalyptic number.
105028542 is an abundant number, since it is smaller than the sum of its proper divisors (140654658).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105028542 is a wasteful number, since it uses less digits than its factorization.
105028542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102397 (or 102391 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 27.
The square root of 105028542 is about 10248.3433783222. The cubic root of 105028542 is about 471.8121409595.
It can be divided in two parts, 105028 and 542, that added together give a triangular number (105570 = T459).
The spelling of 105028542 in words is "one hundred five million, twenty-eight thousand, five hundred forty-two".
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