Base | Representation |
---|---|
bin | 1100100001010… |
… | …10100111001100 |
3 | 21022122012000021 |
4 | 12100222213030 |
5 | 203342012030 |
6 | 14231111524 |
7 | 2413521103 |
oct | 620524714 |
9 | 238565007 |
10 | 105032140 |
11 | 54319224 |
12 | 2b2125a4 |
13 | 189b60c5 |
14 | dd4103a |
15 | 934a97a |
hex | 642a9cc |
105032140 has 12 divisors (see below), whose sum is σ = 220567536. Its totient is φ = 42012848.
The previous prime is 105032131. The next prime is 105032141. The reversal of 105032140 is 41230501.
It is a super-2 number, since 2×1050321402 = 22063500865959200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (105032141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2625784 + ... + 2625823.
It is an arithmetic number, because the mean of its divisors is an integer number (18380628).
Almost surely, 2105032140 is an apocalyptic number.
105032140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
105032140 is an abundant number, since it is smaller than the sum of its proper divisors (115535396).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105032140 is a wasteful number, since it uses less digits than its factorization.
105032140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5251616 (or 5251614 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 105032140 is about 10248.5189173851. The cubic root of 105032140 is about 471.8175285765.
Adding to 105032140 its reverse (41230501), we get a palindrome (146262641).
The spelling of 105032140 in words is "one hundred five million, thirty-two thousand, one hundred forty".
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