Base | Representation |
---|---|
bin | 1001000100110… |
… | …0010000100010 |
3 | 2122121201000000 |
4 | 2101030100202 |
5 | 34220423330 |
6 | 3435440430 |
7 | 641341164 |
oct | 221142042 |
9 | 78551000 |
10 | 38061090 |
11 | 1a536951 |
12 | 108b6116 |
13 | 7b68172 |
14 | 50aa934 |
15 | 351c560 |
hex | 244c422 |
38061090 has 112 divisors (see below), whose sum is σ = 107656128. Its totient is φ = 9665568.
The previous prime is 38061083. The next prime is 38061091. The reversal of 38061090 is 9016083.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38061091) by changing a digit.
It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 167557 + ... + 167783.
Almost surely, 238061090 is an apocalyptic number.
38061090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 38061090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53828064).
38061090 is an abundant number, since it is smaller than the sum of its proper divisors (69595038).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38061090 is a wasteful number, since it uses less digits than its factorization.
38061090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 275 (or 260 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 27.
The square root of 38061090 is about 6169.3670664015. The cubic root of 38061090 is about 336.3776048165.
The spelling of 38061090 in words is "thirty-eight million, sixty-one thousand, ninety".
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