Base | Representation |
---|---|
bin | 1100100110101… |
… | …00011000101010 |
3 | 21100221111220110 |
4 | 12103110120222 |
5 | 204031240110 |
6 | 14254035150 |
7 | 2422445346 |
oct | 623243052 |
9 | 240844813 |
10 | 105727530 |
11 | 54753727 |
12 | 2b4a8ab6 |
13 | 18b9a78c |
14 | 10082626 |
15 | 9436a20 |
hex | 64d462a |
105727530 has 32 divisors (see below), whose sum is σ = 255161088. Its totient is φ = 28036800.
The previous prime is 105727513. The next prime is 105727547. The reversal of 105727530 is 35727501.
It is an interprime number because it is at equal distance from previous prime (105727513) and next prime (105727547).
It is a super-2 number, since 2×1057275302 = 22356621199801800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4306 + ... + 15165.
It is an arithmetic number, because the mean of its divisors is an integer number (7973784).
Almost surely, 2105727530 is an apocalyptic number.
105727530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
105727530 is an abundant number, since it is smaller than the sum of its proper divisors (149433558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105727530 is a wasteful number, since it uses less digits than its factorization.
105727530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19662.
The product of its (nonzero) digits is 7350, while the sum is 30.
The square root of 105727530 is about 10282.3893137733. The cubic root of 105727530 is about 472.8564986837.
The spelling of 105727530 in words is "one hundred five million, seven hundred twenty-seven thousand, five hundred thirty".
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