Base | Representation |
---|---|
bin | 1001000111011… |
… | …1001100111110 |
3 | 2122221122021211 |
4 | 2101313030332 |
5 | 34242040430 |
6 | 3443315034 |
7 | 643003051 |
oct | 221671476 |
9 | 78848254 |
10 | 38236990 |
11 | 1a647020 |
12 | 1097ba7a |
13 | 7bca24c |
14 | 5114a98 |
15 | 355472a |
hex | 247733e |
38236990 has 16 divisors (see below), whose sum is σ = 75083760. Its totient is φ = 13904320.
The previous prime is 38236973. The next prime is 38236997. The reversal of 38236990 is 9963283.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38236997) 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, 173695 + ... + 173914.
It is an arithmetic number, because the mean of its divisors is an integer number (4692735).
Almost surely, 238236990 is an apocalyptic number.
38236990 is a deficient number, since it is larger than the sum of its proper divisors (36846770).
38236990 is a wasteful number, since it uses less digits than its factorization.
38236990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 347627.
The product of its (nonzero) digits is 69984, while the sum is 40.
The square root of 38236990 is about 6183.6065528137. The cubic root of 38236990 is about 336.8950002640.
The spelling of 38236990 in words is "thirty-eight million, two hundred thirty-six thousand, nine hundred ninety".
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