Base | Representation |
---|---|
bin | 1001000100010… |
… | …0011101000001 |
3 | 2122120002010222 |
4 | 2101010131001 |
5 | 34213412441 |
6 | 3435032425 |
7 | 641146034 |
oct | 221043501 |
9 | 78502128 |
10 | 38029121 |
11 | 1a514929 |
12 | 1089b715 |
13 | 7b56750 |
14 | 509d01b |
15 | 3512d4b |
hex | 2444741 |
38029121 has 16 divisors (see below), whose sum is σ = 42714000. Its totient is φ = 33616128.
The previous prime is 38029109. The next prime is 38029129. The reversal of 38029121 is 12192083.
It can be written as a sum of positive squares in 8 ways, for example, as 83521 + 37945600 = 289^2 + 6160^2 .
It is a de Polignac number, because none of the positive numbers 2k-38029121 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38029129) 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, 55835 + ... + 56511.
It is an arithmetic number, because the mean of its divisors is an integer number (2669625).
Almost surely, 238029121 is an apocalyptic number.
It is an amenable number.
38029121 is a deficient number, since it is larger than the sum of its proper divisors (4684879).
38029121 is a wasteful number, since it uses less digits than its factorization.
38029121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 868.
The product of its (nonzero) digits is 864, while the sum is 26.
The square root of 38029121 is about 6166.7755756149. The cubic root of 38029121 is about 336.2833995282.
The spelling of 38029121 in words is "thirty-eight million, twenty-nine thousand, one hundred twenty-one".
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