Base | Representation |
---|---|
bin | 1100101110110… |
… | …11011101011000 |
3 | 21102222021000201 |
4 | 12113123131120 |
5 | 204320230310 |
6 | 14333111544 |
7 | 2434554034 |
oct | 627333530 |
9 | 242867021 |
10 | 106805080 |
11 | 5531a268 |
12 | 2b9285b4 |
13 | 19187095 |
14 | 102831c4 |
15 | 959ae3a |
hex | 65db758 |
106805080 has 32 divisors (see below), whose sum is σ = 252961200. Its totient is φ = 40473216.
The previous prime is 106805071. The next prime is 106805081. The reversal of 106805080 is 80508601.
It is a happy number.
It is a super-2 number, since 2×1068050802 = 22814650227612800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (106805081) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69507 + ... + 71026.
Almost surely, 2106805080 is an apocalyptic number.
106805080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
106805080 is an abundant number, since it is smaller than the sum of its proper divisors (146156120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
106805080 is a wasteful number, since it uses less digits than its factorization.
106805080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140563 (or 140559 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 28.
The square root of 106805080 is about 10334.6543241659. The cubic root of 106805080 is about 474.4574858747.
The spelling of 106805080 in words is "one hundred six million, eight hundred five thousand, eighty".
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