Base | Representation |
---|---|
bin | 1000001010111100011100 |
3 | 11000211020121 |
4 | 20022330130 |
5 | 1022020410 |
6 | 113524324 |
7 | 24130561 |
oct | 10127434 |
9 | 4024217 |
10 | 2141980 |
11 | 1233335 |
12 | 8736a4 |
13 | 59cc59 |
14 | 3da868 |
15 | 2c49da |
hex | 20af1c |
2141980 has 12 divisors (see below), whose sum is σ = 4498200. Its totient is φ = 856784.
The previous prime is 2141977. The next prime is 2141987. The reversal of 2141980 is 891412.
It is a happy number.
It is a plaindrome in base 11.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2141987) 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, 53530 + ... + 53569.
It is an arithmetic number, because the mean of its divisors is an integer number (374850).
22141980 is an apocalyptic number.
2141980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2141980 is an abundant number, since it is smaller than the sum of its proper divisors (2356220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2141980 is a wasteful number, since it uses less digits than its factorization.
2141980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107108 (or 107106 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 25.
The square root of 2141980 is about 1463.5504774349. The cubic root of 2141980 is about 128.9056056840.
The spelling of 2141980 in words is "two million, one hundred forty-one thousand, nine hundred eighty".
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