Base | Representation |
---|---|
bin | 1100100010000… |
… | …10110111011000 |
3 | 21022211020021112 |
4 | 12101002313120 |
5 | 203403201410 |
6 | 14233155452 |
7 | 2414413526 |
oct | 621026730 |
9 | 238736245 |
10 | 105131480 |
11 | 54386923 |
12 | 2b25bb88 |
13 | 18a1c39c |
14 | dd69316 |
15 | 936a105 |
hex | 6442dd8 |
105131480 has 32 divisors (see below), whose sum is σ = 241583040. Its totient is φ = 41157120.
The previous prime is 105131443. The next prime is 105131491. The reversal of 105131480 is 84131501.
It is a super-2 number, since 2×1051314802 = 22105256173980800, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26081 + ... + 29840.
It is an arithmetic number, because the mean of its divisors is an integer number (7549470).
Almost surely, 2105131480 is an apocalyptic number.
105131480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
105131480 is an abundant number, since it is smaller than the sum of its proper divisors (136451560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105131480 is a wasteful number, since it uses less digits than its factorization.
105131480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55979 (or 55975 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 23.
The square root of 105131480 is about 10253.3643259176. The cubic root of 105131480 is about 471.9662309461.
Adding to 105131480 its reverse (84131501), we get a palindrome (189262981).
The spelling of 105131480 in words is "one hundred five million, one hundred thirty-one thousand, four hundred eighty".
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