Base | Representation |
---|---|
bin | 11001011010111… |
… | …10101110110100 |
3 | 112212021011120012 |
4 | 30231132232310 |
5 | 414042431243 |
6 | 33054355352 |
7 | 5166405023 |
oct | 1455365664 |
9 | 485234505 |
10 | 213248948 |
11 | aa412100 |
12 | 5b4bbb58 |
13 | 35245913 |
14 | 204708ba |
15 | 13ac4d18 |
hex | cb5ebb4 |
213248948 has 36 divisors (see below), whose sum is σ = 424368420. Its totient is φ = 93582720.
The previous prime is 213248921. The next prime is 213248953. The reversal of 213248948 is 849842312.
It can be written as a sum of positive squares in 2 ways, for example, as 173659684 + 39589264 = 13178^2 + 6292^2 .
It is a super-2 number, since 2×2132489482 = 90950227646213408, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6440 + ... + 21632.
Almost surely, 2213248948 is an apocalyptic number.
It is an amenable number.
213248948 is a deficient number, since it is larger than the sum of its proper divisors (211119472).
213248948 is a wasteful number, since it uses less digits than its factorization.
213248948 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15248 (or 15235 counting only the distinct ones).
The product of its digits is 110592, while the sum is 41.
The square root of 213248948 is about 14603.0458466719. The cubic root of 213248948 is about 597.4418381438.
The spelling of 213248948 in words is "two hundred thirteen million, two hundred forty-eight thousand, nine hundred forty-eight".
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