Base | Representation |
---|---|
bin | 1000010000010011101100 |
3 | 11001221101020 |
4 | 20100103230 |
5 | 1023221243 |
6 | 114214140 |
7 | 24251613 |
oct | 10202354 |
9 | 4057336 |
10 | 2163948 |
11 | 1248896 |
12 | 884350 |
13 | 5a9c57 |
14 | 40487a |
15 | 2cb283 |
hex | 2104ec |
2163948 has 24 divisors (see below), whose sum is σ = 5315520. Its totient is φ = 683280.
The previous prime is 2163923. The next prime is 2163949. The reversal of 2163948 is 8493612.
It is not an unprimeable number, because it can be changed into a prime (2163949) 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, 4518 + ... + 4973.
It is an arithmetic number, because the mean of its divisors is an integer number (221480).
22163948 is an apocalyptic number.
It is an amenable number.
2163948 is an abundant number, since it is smaller than the sum of its proper divisors (3151572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2163948 is a wasteful number, since it uses less digits than its factorization.
2163948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9517 (or 9515 counting only the distinct ones).
The product of its digits is 10368, while the sum is 33.
The square root of 2163948 is about 1471.0363693668. The cubic root of 2163948 is about 129.3447900244.
The spelling of 2163948 in words is "two million, one hundred sixty-three thousand, nine hundred forty-eight".
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