Base | Representation |
---|---|
bin | 10111000010000… |
… | …000101100001100 |
3 | 222221002022101100 |
4 | 113002000230030 |
5 | 1242404344314 |
6 | 102201543100 |
7 | 12401241414 |
oct | 2702005414 |
9 | 887068340 |
10 | 386403084 |
11 | 1891293a1 |
12 | a94a4a90 |
13 | 620907a2 |
14 | 39465644 |
15 | 23dc9c09 |
hex | 17080b0c |
386403084 has 18 divisors (see below), whose sum is σ = 976741220. Its totient is φ = 128801016.
The previous prime is 386403053. The next prime is 386403103. The reversal of 386403084 is 480304683.
386403084 is a `hidden beast` number, since 3 + 8 + 640 + 3 + 0 + 8 + 4 = 666.
It is a tau number, because it is divible by the number of its divisors (18).
It is a super-2 number, since 2×3864030842 = 298614686649422112, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 10733419 = 386403084 / (3 + 8 + 6 + 4 + 0 + 3 + 0 + 8 + 4).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5366674 + ... + 5366745.
Almost surely, 2386403084 is an apocalyptic number.
It is an amenable number.
386403084 is an abundant number, since it is smaller than the sum of its proper divisors (590338136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
386403084 is a wasteful number, since it uses less digits than its factorization.
386403084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10733429 (or 10733424 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 36.
The square root of 386403084 is about 19657.1382454314. The cubic root of 386403084 is about 728.3612982413.
The spelling of 386403084 in words is "three hundred eighty-six million, four hundred three thousand, eighty-four".
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