Base | Representation |
---|---|
bin | 10111000110000… |
… | …101100001100100 |
3 | 1000000002120220211 |
4 | 113012011201210 |
5 | 1243143041320 |
6 | 102240505204 |
7 | 12413311255 |
oct | 2706054144 |
9 | 1000076824 |
10 | 387471460 |
11 | 189799052 |
12 | a991b204 |
13 | 62375b6c |
14 | 39662b2c |
15 | 2403b55a |
hex | 17185864 |
387471460 has 12 divisors (see below), whose sum is σ = 813690108. Its totient is φ = 154988576.
The previous prime is 387471457. The next prime is 387471481. The reversal of 387471460 is 64174783.
It can be written as a sum of positive squares in 2 ways, for example, as 244046884 + 143424576 = 15622^2 + 11976^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9686767 + ... + 9686806.
It is an arithmetic number, because the mean of its divisors is an integer number (67807509).
Almost surely, 2387471460 is an apocalyptic number.
It is an amenable number.
387471460 is an abundant number, since it is smaller than the sum of its proper divisors (426218648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
387471460 is a wasteful number, since it uses less digits than its factorization.
387471460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19373582 (or 19373580 counting only the distinct ones).
The product of its (nonzero) digits is 112896, while the sum is 40.
The square root of 387471460 is about 19684.2947549563. The cubic root of 387471460 is about 729.0319689077.
The spelling of 387471460 in words is "three hundred eighty-seven million, four hundred seventy-one thousand, four hundred sixty".
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