Base | Representation |
---|---|
bin | 1100010100000… |
… | …00100101100100 |
3 | 21012100112022122 |
4 | 12022000211210 |
5 | 202420142030 |
6 | 14125445112 |
7 | 2362632455 |
oct | 612004544 |
9 | 235315278 |
10 | 103287140 |
11 | 53337180 |
12 | 2a710798 |
13 | 18524a68 |
14 | da0912c |
15 | 91038e5 |
hex | 6280964 |
103287140 has 24 divisors (see below), whose sum is σ = 236621952. Its totient is φ = 37558880.
The previous prime is 103287139. The next prime is 103287167. The reversal of 103287140 is 41782301.
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, 234524 + ... + 234963.
It is an arithmetic number, because the mean of its divisors is an integer number (9859248).
Almost surely, 2103287140 is an apocalyptic number.
103287140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
103287140 is an abundant number, since it is smaller than the sum of its proper divisors (133334812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103287140 is a wasteful number, since it uses less digits than its factorization.
103287140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 469507 (or 469505 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 26.
The square root of 103287140 is about 10163.0280920600. The cubic root of 103287140 is about 469.1900036802.
The spelling of 103287140 in words is "one hundred three million, two hundred eighty-seven thousand, one hundred forty".
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