Base | Representation |
---|---|
bin | 10110110000111… |
… | …000101111011111 |
3 | 222121122020121220 |
4 | 112300320233133 |
5 | 1240232222304 |
6 | 101521424423 |
7 | 12315134061 |
oct | 2660705737 |
9 | 877566556 |
10 | 381914079 |
11 | 186642778 |
12 | a7a9b113 |
13 | 6117b481 |
14 | 38a17731 |
15 | 237dead9 |
hex | 16c38bdf |
381914079 has 48 divisors (see below), whose sum is σ = 575278080. Its totient is φ = 224501760.
The previous prime is 381914069. The next prime is 381914083. The reversal of 381914079 is 970419183.
It is a happy number.
It is not a de Polignac number, because 381914079 - 25 = 381914047 is a prime.
It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 381914079.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (381914069) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1485919 + ... + 1486175.
It is an arithmetic number, because the mean of its divisors is an integer number (11984960).
Almost surely, 2381914079 is an apocalyptic number.
381914079 is a deficient number, since it is larger than the sum of its proper divisors (193364001).
381914079 is a wasteful number, since it uses less digits than its factorization.
381914079 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 368 (or 339 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 42.
The square root of 381914079 is about 19542.6221116819. The cubic root of 381914079 is about 725.5297461618.
The spelling of 381914079 in words is "three hundred eighty-one million, nine hundred fourteen thousand, seventy-nine".
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