Base | Representation |
---|---|
bin | 10111000010111… |
… | …101000110101110 |
3 | 222221112212211110 |
4 | 113002331012232 |
5 | 1242440304132 |
6 | 102211132450 |
7 | 12403322025 |
oct | 2702750656 |
9 | 887485743 |
10 | 386650542 |
11 | 189288303 |
12 | a95a4126 |
13 | 62149305 |
14 | 394cb8bc |
15 | 23e281cc |
hex | 170bd1ae |
386650542 has 16 divisors (see below), whose sum is σ = 774093312. Its totient is φ = 128751480.
The previous prime is 386650489. The next prime is 386650543. The reversal of 386650542 is 245056683.
It is a self number, because there is not a number n which added to its sum of digits gives 386650542.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (386650543) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26568 + ... + 38459.
It is an arithmetic number, because the mean of its divisors is an integer number (48380832).
Almost surely, 2386650542 is an apocalyptic number.
386650542 is an abundant number, since it is smaller than the sum of its proper divisors (387442770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
386650542 is a wasteful number, since it uses less digits than its factorization.
386650542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66023.
The product of its (nonzero) digits is 172800, while the sum is 39.
The square root of 386650542 is about 19663.4315926798. The cubic root of 386650542 is about 728.5167493539.
The spelling of 386650542 in words is "three hundred eighty-six million, six hundred fifty thousand, five hundred forty-two".
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