Base | Representation |
---|---|
bin | 1001000110001… |
… | …1111011000111 |
3 | 2122210121222010 |
4 | 2101203323013 |
5 | 34232024043 |
6 | 3441505303 |
7 | 642223611 |
oct | 221437307 |
9 | 78717863 |
10 | 38158023 |
11 | 1a5a2762 |
12 | 10942233 |
13 | 7ba0317 |
14 | 50d3db1 |
15 | 353b133 |
hex | 2463ec7 |
38158023 has 16 divisors (see below), whose sum is σ = 53798400. Its totient is φ = 23990400.
The previous prime is 38158007. The next prime is 38158069. The reversal of 38158023 is 32085183.
It is a happy number.
It is not a de Polignac number, because 38158023 - 24 = 38158007 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38158093) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12223 + ... + 15023.
It is an arithmetic number, because the mean of its divisors is an integer number (3362400).
Almost surely, 238158023 is an apocalyptic number.
38158023 is a deficient number, since it is larger than the sum of its proper divisors (15640377).
38158023 is a wasteful number, since it uses less digits than its factorization.
38158023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3062.
The product of its (nonzero) digits is 5760, while the sum is 30.
The square root of 38158023 is about 6177.2180631737. The cubic root of 38158023 is about 336.6629220030.
The spelling of 38158023 in words is "thirty-eight million, one hundred fifty-eight thousand, twenty-three".
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