Base | Representation |
---|---|
bin | 10111000111010… |
… | …010110100010100 |
3 | 1000000200200012110 |
4 | 113013102310110 |
5 | 1243233204202 |
6 | 102251351020 |
7 | 12416100261 |
oct | 2707226424 |
9 | 1000620173 |
10 | 387788052 |
11 | 1899949a3 |
12 | a9a52470 |
13 | 62456cb2 |
14 | 39706268 |
15 | 240a026c |
hex | 171d2d14 |
387788052 has 36 divisors (see below), whose sum is σ = 934942848. Its totient is φ = 124970400.
The previous prime is 387788017. The next prime is 387788053. The reversal of 387788052 is 250887783.
It is a junction number, because it is equal to n+sod(n) for n = 387787992 and 387788010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (387788053) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 379302 + ... + 380322.
Almost surely, 2387788052 is an apocalyptic number.
It is an amenable number.
387788052 is an abundant number, since it is smaller than the sum of its proper divisors (547154796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
387788052 is a wasteful number, since it uses less digits than its factorization.
387788052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2080 (or 1057 counting only the distinct ones).
The product of its (nonzero) digits is 752640, while the sum is 48.
The square root of 387788052 is about 19692.3348539476. The cubic root of 387788052 is about 729.2304720061.
The spelling of 387788052 in words is "three hundred eighty-seven million, seven hundred eighty-eight thousand, fifty-two".
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