Base | Representation |
---|---|
bin | 1001001000010… |
… | …1011001100010 |
3 | 2200001121001110 |
4 | 2102011121202 |
5 | 34300421023 |
6 | 3444444150 |
7 | 643334430 |
oct | 222053142 |
9 | 80047043 |
10 | 38295138 |
11 | 1a686782 |
12 | 109a9656 |
13 | 7c1a85b |
14 | 512bd50 |
15 | 3566a93 |
hex | 2485662 |
38295138 has 64 divisors (see below), whose sum is σ = 94556160. Its totient is φ = 10097472.
The previous prime is 38295133. The next prime is 38295139. The reversal of 38295138 is 83159283.
It is a junction number, because it is equal to n+sod(n) for n = 38295096 and 38295105.
It is not an unprimeable number, because it can be changed into a prime (38295133) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27331 + ... + 28697.
It is an arithmetic number, because the mean of its divisors is an integer number (1477440).
Almost surely, 238295138 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38295138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47278080).
38295138 is an abundant number, since it is smaller than the sum of its proper divisors (56261022).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38295138 is a wasteful number, since it uses less digits than its factorization.
38295138 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1431.
The product of its digits is 51840, while the sum is 39.
The square root of 38295138 is about 6188.3065534926. The cubic root of 38295138 is about 337.0656888095.
The spelling of 38295138 in words is "thirty-eight million, two hundred ninety-five thousand, one hundred thirty-eight".
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