Base | Representation |
---|---|
bin | 101000000011… |
… | …100100011100 |
3 | 201202110210222 |
4 | 220003210130 |
5 | 10142003010 |
6 | 1013020512 |
7 | 155152232 |
oct | 50034434 |
9 | 21673728 |
10 | 10500380 |
11 | 5a22100 |
12 | 3624738 |
13 | 2238557 |
14 | 1574952 |
15 | dc6355 |
hex | a0391c |
10500380 has 36 divisors (see below), whose sum is σ = 24243240. Its totient is φ = 3817440.
The previous prime is 10500379. The next prime is 10500421. The reversal of 10500380 is 8300501.
It is a super-2 number, since 2×105003802 = 220515960288800, 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 11 ways as a sum of consecutive naturals, for example, 251 + ... + 4589.
Almost surely, 210500380 is an apocalyptic number.
10500380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10500380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12121620).
10500380 is an abundant number, since it is smaller than the sum of its proper divisors (13742860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10500380 is a wasteful number, since it uses less digits than its factorization.
10500380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4370 (or 4357 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 17.
The square root of 10500380 is about 3240.4289839464. The cubic root of 10500380 is about 218.9785985772.
Adding to 10500380 its reverse (8300501), we get a palindrome (18800881).
The spelling of 10500380 in words is "ten million, five hundred thousand, three hundred eighty".
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