Base | Representation |
---|---|
bin | 1001010001001… |
… | …1101101001110 |
3 | 2201011012122001 |
4 | 2110103231032 |
5 | 34423044110 |
6 | 3505142514 |
7 | 651313012 |
oct | 224235516 |
9 | 81135561 |
10 | 38878030 |
11 | 1aa44704 |
12 | 1102aa3a |
13 | 8092c69 |
14 | 5240542 |
15 | 362e63a |
hex | 2513b4e |
38878030 has 32 divisors (see below), whose sum is σ = 73156608. Its totient is φ = 14858400.
The previous prime is 38878019. The next prime is 38878039. The reversal of 38878030 is 3087883.
38878030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38878039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24975 + ... + 26485.
It is an arithmetic number, because the mean of its divisors is an integer number (2286144).
Almost surely, 238878030 is an apocalyptic number.
38878030 is a deficient number, since it is larger than the sum of its proper divisors (34278578).
38878030 is a wasteful number, since it uses less digits than its factorization.
38878030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1632.
The product of its (nonzero) digits is 32256, while the sum is 37.
The square root of 38878030 is about 6235.2249357982. The cubic root of 38878030 is about 338.7672485691.
The spelling of 38878030 in words is "thirty-eight million, eight hundred seventy-eight thousand, thirty".
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