Base | Representation |
---|---|
bin | 101000111110… |
… | …1010110011000 |
3 | 1111102112210222 |
4 | 1101331112120 |
5 | 21000004302 |
6 | 2044255212 |
7 | 350422226 |
oct | 121752630 |
9 | 44375728 |
10 | 21484952 |
11 | 11144a65 |
12 | 7241508 |
13 | 45b32b8 |
14 | 2bd3b16 |
15 | 1d45da2 |
hex | 147d598 |
21484952 has 16 divisors (see below), whose sum is σ = 40576200. Its totient is φ = 10665192.
The previous prime is 21484937. The next prime is 21484973. The reversal of 21484952 is 25948412.
The cubic root of 21484952 is 278.
It is a perfect power (a cube), and thus also a powerful number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154499 + ... + 154637.
Almost surely, 221484952 is an apocalyptic number.
It is an amenable number.
21484952 is a deficient number, since it is larger than the sum of its proper divisors (19091248).
21484952 is an frugal number, since it uses more digits than its factorization.
21484952 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 423 (or 141 counting only the distinct ones).
The product of its digits is 23040, while the sum is 35.
The square root of 21484952 is about 4635.1862961482.
The spelling of 21484952 in words is "twenty-one million, four hundred eighty-four thousand, nine hundred fifty-two".
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