Base | Representation |
---|---|
bin | 10111010001100… |
… | …101010010100110 |
3 | 1000012202200221021 |
4 | 113101211102212 |
5 | 1244431011113 |
6 | 102425241354 |
7 | 12451032460 |
oct | 2721452246 |
9 | 1005680837 |
10 | 390485158 |
11 | 190467308 |
12 | aa93325a |
13 | 62b8c80b |
14 | 39c09130 |
15 | 2443448d |
hex | 174654a6 |
390485158 has 16 divisors (see below), whose sum is σ = 675661824. Its totient is φ = 165786120.
The previous prime is 390485153. The next prime is 390485159. The reversal of 390485158 is 851584093.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (390485153) 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, 128838 + ... + 131833.
It is an arithmetic number, because the mean of its divisors is an integer number (42228864).
Almost surely, 2390485158 is an apocalyptic number.
390485158 is a deficient number, since it is larger than the sum of its proper divisors (285176666).
390485158 is a wasteful number, since it uses less digits than its factorization.
390485158 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 260787.
The product of its (nonzero) digits is 172800, while the sum is 43.
The square root of 390485158 is about 19760.6973055102. The cubic root of 390485158 is about 730.9171920374.
The spelling of 390485158 in words is "three hundred ninety million, four hundred eighty-five thousand, one hundred fifty-eight".
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