Base | Representation |
---|---|
bin | 10111000101100… |
… | …111100111100001 |
3 | 222222212100212211 |
4 | 113011213213201 |
5 | 1243130131321 |
6 | 102234122121 |
7 | 12412261156 |
oct | 2705474741 |
9 | 888770784 |
10 | 387348961 |
11 | 18971500a |
12 | a9880341 |
13 | 6233218c |
14 | 3963022d |
15 | 240150e1 |
hex | 171679e1 |
387348961 has 8 divisors (see below), whose sum is σ = 411475680. Its totient is φ = 363371328.
The previous prime is 387348959. The next prime is 387348977. The reversal of 387348961 is 169843783.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 387348961 - 21 = 387348959 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (387348901) 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, 31891 + ... + 42328.
It is an arithmetic number, because the mean of its divisors is an integer number (51434460).
Almost surely, 2387348961 is an apocalyptic number.
It is an amenable number.
387348961 is a deficient number, since it is larger than the sum of its proper divisors (24126719).
387348961 is a wasteful number, since it uses less digits than its factorization.
387348961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74543.
The product of its digits is 870912, while the sum is 49.
The square root of 387348961 is about 19681.1829166847. The cubic root of 387348961 is about 728.9551330549.
The spelling of 387348961 in words is "three hundred eighty-seven million, three hundred forty-eight thousand, nine hundred sixty-one".
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