Base | Representation |
---|---|
bin | 110010001010001… |
… | …110110100010010 |
3 | 2011122111210212200 |
4 | 302022032310102 |
5 | 3210413333210 |
6 | 215301104030 |
7 | 26565665634 |
oct | 6212166422 |
9 | 2148453780 |
10 | 841542930 |
11 | 3a2035728 |
12 | 1b59b8016 |
13 | 105469ac7 |
14 | 7daa0a54 |
15 | 4dd310c0 |
hex | 3228ed12 |
841542930 has 48 divisors (see below), whose sum is σ = 2200699800. Its totient is φ = 223110144.
The previous prime is 841542881. The next prime is 841542937. The reversal of 841542930 is 39245148.
841542930 is a `hidden beast` number, since 84 + 1 + 542 + 9 + 30 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 832380201 + 9162729 = 28851^2 + 3027^2 .
It is not an unprimeable number, because it can be changed into a prime (841542937) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 11455 + ... + 42594.
Almost surely, 2841542930 is an apocalyptic number.
841542930 is an abundant number, since it is smaller than the sum of its proper divisors (1359156870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
841542930 is a wasteful number, since it uses less digits than its factorization.
841542930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54235 (or 54232 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The square root of 841542930 is about 29009.3593517678. The cubic root of 841542930 is about 944.1161468038.
The spelling of 841542930 in words is "eight hundred forty-one million, five hundred forty-two thousand, nine hundred thirty".
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