Base | Representation |
---|---|
bin | 10111000101001… |
… | …101110000101011 |
3 | 222222122222121020 |
4 | 113011031300223 |
5 | 1243113234201 |
6 | 102231543523 |
7 | 12411340326 |
oct | 2705156053 |
9 | 888588536 |
10 | 387243051 |
11 | 189652488 |
12 | a982aba3 |
13 | 622c5c00 |
14 | 396037bd |
15 | 23ee3a36 |
hex | 1714dc2b |
387243051 has 48 divisors (see below), whose sum is σ = 597663360. Its totient is φ = 222144000.
The previous prime is 387243037. The next prime is 387243133. The reversal of 387243051 is 150342783.
It is not a de Polignac number, because 387243051 - 26 = 387242987 is a prime.
It is not an unprimeable number, because it can be changed into a prime (387243001) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1542676 + ... + 1542926.
It is an arithmetic number, because the mean of its divisors is an integer number (12451320).
Almost surely, 2387243051 is an apocalyptic number.
387243051 is a deficient number, since it is larger than the sum of its proper divisors (210420309).
387243051 is a wasteful number, since it uses less digits than its factorization.
387243051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 476 (or 463 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 387243051 is about 19678.4920916212. The cubic root of 387243051 is about 728.8886893712. Note that the first 3 decimals are identical.
The spelling of 387243051 in words is "three hundred eighty-seven million, two hundred forty-three thousand, fifty-one".
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