Base | Representation |
---|---|
bin | 1001000110000… |
… | …1001100001110 |
3 | 2122210001121120 |
4 | 2101201030032 |
5 | 34231144310 |
6 | 3441341410 |
7 | 642146151 |
oct | 221411416 |
9 | 78701546 |
10 | 38146830 |
11 | 1a595307 |
12 | 10937866 |
13 | 7b981b7 |
14 | 50cdc98 |
15 | 3537b70 |
hex | 246130e |
38146830 has 16 divisors (see below), whose sum is σ = 91552464. Its totient is φ = 10172480.
The previous prime is 38146817. The next prime is 38146837. The reversal of 38146830 is 3864183.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a junction number, because it is equal to n+sod(n) for n = 38146791 and 38146800.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38146837) 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, 635751 + ... + 635810.
It is an arithmetic number, because the mean of its divisors is an integer number (5722029).
Almost surely, 238146830 is an apocalyptic number.
38146830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
38146830 is an abundant number, since it is smaller than the sum of its proper divisors (53405634).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38146830 is a wasteful number, since it uses less digits than its factorization.
38146830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1271571.
The product of its (nonzero) digits is 13824, while the sum is 33.
The square root of 38146830 is about 6176.3120063676. The cubic root of 38146830 is about 336.6300006905.
The spelling of 38146830 in words is "thirty-eight million, one hundred forty-six thousand, eight hundred thirty".
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