Base | Representation |
---|---|
bin | 101001101000… |
… | …110101000100 |
3 | 202112112202110 |
4 | 221220311010 |
5 | 10243241030 |
6 | 1025541020 |
7 | 161530365 |
oct | 51506504 |
9 | 22475673 |
10 | 10915140 |
11 | 6185785 |
12 | 37a4770 |
13 | 2352282 |
14 | 1641b6c |
15 | e591b0 |
hex | a68d44 |
10915140 has 24 divisors (see below), whose sum is σ = 30562560. Its totient is φ = 2910688.
The previous prime is 10915057. The next prime is 10915141. The reversal of 10915140 is 4151901.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10915141) 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, 90900 + ... + 91019.
It is an arithmetic number, because the mean of its divisors is an integer number (1273440).
Almost surely, 210915140 is an apocalyptic number.
10915140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10915140 is an abundant number, since it is smaller than the sum of its proper divisors (19647420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10915140 is a wasteful number, since it uses less digits than its factorization.
10915140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 181931 (or 181929 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 21.
The square root of 10915140 is about 3303.8068950833. The cubic root of 10915140 is about 221.8246322223.
The spelling of 10915140 in words is "ten million, nine hundred fifteen thousand, one hundred forty".
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