Base | Representation |
---|---|
bin | 10110101110011… |
… | …000100101000100 |
3 | 222120101220201121 |
4 | 112232120211010 |
5 | 1240100224202 |
6 | 101455403324 |
7 | 12306432340 |
oct | 2656304504 |
9 | 876356647 |
10 | 381258052 |
11 | 1862348aa |
12 | a7823544 |
13 | 60cab9a6 |
14 | 388c6620 |
15 | 23710537 |
hex | 16b98944 |
381258052 has 24 divisors (see below), whose sum is σ = 775019840. Its totient is φ = 160716960.
The previous prime is 381258043. The next prime is 381258061. The reversal of 381258052 is 250852183.
It is an interprime number because it is at equal distance from previous prime (381258043) and next prime (381258061).
It is a junction number, because it is equal to n+sod(n) for n = 381257999 and 381258017.
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 7 ways as a sum of consecutive naturals, for example, 109902 + ... + 113317.
Almost surely, 2381258052 is an apocalyptic number.
It is an amenable number.
381258052 is an abundant number, since it is smaller than the sum of its proper divisors (393761788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
381258052 is a wasteful number, since it uses less digits than its factorization.
381258052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 223291 (or 223289 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 34.
The square root of 381258052 is about 19525.8303792694. The cubic root of 381258052 is about 725.1140855742.
The spelling of 381258052 in words is "three hundred eighty-one million, two hundred fifty-eight thousand, fifty-two".
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