Base | Representation |
---|---|
bin | 10111000100011… |
… | …011011011101010 |
3 | 222222021111211020 |
4 | 113010123123222 |
5 | 1243040140111 |
6 | 102223313310 |
7 | 12406521324 |
oct | 2704333352 |
9 | 888244736 |
10 | 387036906 |
11 | 189521613 |
12 | a974b836 |
13 | 62253129 |
14 | 3958c614 |
15 | 23ea2906 |
hex | 1711b6ea |
387036906 has 8 divisors (see below), whose sum is σ = 774073824. Its totient is φ = 129012300.
The previous prime is 387036901. The next prime is 387036907. The reversal of 387036906 is 609630783.
It is a sphenic number, since it is the product of 3 distinct primes.
387036906 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (387036901) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32253070 + ... + 32253081.
It is an arithmetic number, because the mean of its divisors is an integer number (96759228).
Almost surely, 2387036906 is an apocalyptic number.
387036906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
387036906 is a wasteful number, since it uses less digits than its factorization.
387036906 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64506156.
The product of its (nonzero) digits is 163296, while the sum is 42.
The square root of 387036906 is about 19673.2535692498. The cubic root of 387036906 is about 728.7593275239.
The spelling of 387036906 in words is "three hundred eighty-seven million, thirty-six thousand, nine hundred six".
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