Base | Representation |
---|---|
bin | 1000001100100001111010 |
3 | 11001011011010 |
4 | 20030201322 |
5 | 1022222344 |
6 | 114014350 |
7 | 24155526 |
oct | 10144172 |
9 | 4034133 |
10 | 2148474 |
11 | 12381a9 |
12 | 8773b6 |
13 | 5a2bb3 |
14 | 3dcd86 |
15 | 2c68b9 |
hex | 20c87a |
2148474 has 8 divisors (see below), whose sum is σ = 4296960. Its totient is φ = 716156.
The previous prime is 2148473. The next prime is 2148491. The reversal of 2148474 is 4748412.
It is a sphenic number, since it is the product of 3 distinct primes.
2148474 is an admirable number.
It is an Ulam number.
It is not an unprimeable number, because it can be changed into a prime (2148473) 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, 179034 + ... + 179045.
It is an arithmetic number, because the mean of its divisors is an integer number (537120).
22148474 is an apocalyptic number.
2148474 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2148474 is a wasteful number, since it uses less digits than its factorization.
2148474 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 358084.
The product of its digits is 7168, while the sum is 30.
The square root of 2148474 is about 1465.7673758138. The cubic root of 2148474 is about 129.0357451571.
The spelling of 2148474 in words is "two million, one hundred forty-eight thousand, four hundred seventy-four".
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