Base | Representation |
---|---|
bin | 101001010111010… |
… | …0010001110110010 |
3 | 10120201122011210001 |
4 | 1102232202032302 |
5 | 10320302234141 |
6 | 345420100214 |
7 | 46252133512 |
oct | 12256421662 |
9 | 3521564701 |
10 | 1387930546 |
11 | 6524a5842 |
12 | 32899466a |
13 | 191713ca2 |
14 | d248d842 |
15 | 81cada31 |
hex | 52ba23b2 |
1387930546 has 16 divisors (see below), whose sum is σ = 2155170240. Its totient is φ = 669573520.
The previous prime is 1387930529. The next prime is 1387930567. The reversal of 1387930546 is 6450397831.
It is a junction number, because it is equal to n+sod(n) for n = 1387930496 and 1387930505.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85761 + ... + 100651.
It is an arithmetic number, because the mean of its divisors is an integer number (134698140).
Almost surely, 21387930546 is an apocalyptic number.
1387930546 is a deficient number, since it is larger than the sum of its proper divisors (767239694).
1387930546 is a wasteful number, since it uses less digits than its factorization.
1387930546 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16529.
The product of its (nonzero) digits is 544320, while the sum is 46.
The square root of 1387930546 is about 37254.9398872150. The cubic root of 1387930546 is about 1115.4649059019.
The spelling of 1387930546 in words is "one billion, three hundred eighty-seven million, nine hundred thirty thousand, five hundred forty-six".
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