Base | Representation |
---|---|
bin | 10111000100100… |
… | …101011111111101 |
3 | 222222100121101110 |
4 | 113010211133331 |
5 | 1243043000031 |
6 | 102224232233 |
7 | 12410052462 |
oct | 2704453775 |
9 | 888317343 |
10 | 387078141 |
11 | 18954a59a |
12 | a976b679 |
13 | 62268b28 |
14 | 3959d669 |
15 | 23eaec46 |
hex | 171257fd |
387078141 has 8 divisors (see below), whose sum is σ = 516208000. Its totient is φ = 258000192.
The previous prime is 387078119. The next prime is 387078143. The reversal of 387078141 is 141870783.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 387078141 - 26 = 387078077 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 387078141.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (387078143) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10485 + ... + 29733.
It is an arithmetic number, because the mean of its divisors is an integer number (64526000).
Almost surely, 2387078141 is an apocalyptic number.
It is an amenable number.
387078141 is a deficient number, since it is larger than the sum of its proper divisors (129129859).
387078141 is a wasteful number, since it uses less digits than its factorization.
387078141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25955.
The product of its (nonzero) digits is 37632, while the sum is 39.
The square root of 387078141 is about 19674.3015377929. The cubic root of 387078141 is about 728.7852073330.
The spelling of 387078141 in words is "three hundred eighty-seven million, seventy-eight thousand, one hundred forty-one".
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