Base | Representation |
---|---|
bin | 10110110000111… |
… | …111011010110110 |
3 | 222121200122010220 |
4 | 112300333122312 |
5 | 1240234111210 |
6 | 101522155210 |
7 | 12315306603 |
oct | 2660773266 |
9 | 877618126 |
10 | 381941430 |
11 | 186661282 |
12 | a7ab2b06 |
13 | 6118aa60 |
14 | 38a236aa |
15 | 237e7c70 |
hex | 16c3f6b6 |
381941430 has 32 divisors (see below), whose sum is σ = 987172704. Its totient is φ = 94016256.
The previous prime is 381941423. The next prime is 381941449. The reversal of 381941430 is 34149183.
It is a junction number, because it is equal to n+sod(n) for n = 381941391 and 381941400.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489279 + ... + 490058.
It is an arithmetic number, because the mean of its divisors is an integer number (30849147).
Almost surely, 2381941430 is an apocalyptic number.
381941430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
381941430 is an abundant number, since it is smaller than the sum of its proper divisors (605231274).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
381941430 is a wasteful number, since it uses less digits than its factorization.
381941430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 979360.
The product of its (nonzero) digits is 10368, while the sum is 33.
The square root of 381941430 is about 19543.3218773063. The cubic root of 381941430 is about 725.5470654940.
The spelling of 381941430 in words is "three hundred eighty-one million, nine hundred forty-one thousand, four hundred thirty".
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