Base | Representation |
---|---|
bin | 1001000100001… |
… | …0011101111010 |
3 | 2122112122222200 |
4 | 2101002131322 |
5 | 34213132421 |
6 | 3434531030 |
7 | 641113233 |
oct | 221023572 |
9 | 78478880 |
10 | 38020986 |
11 | 1a509803 |
12 | 10896a76 |
13 | 7b52b33 |
14 | 509a08a |
15 | 3510726 |
hex | 244277a |
38020986 has 24 divisors (see below), whose sum is σ = 82682964. Its totient is φ = 12626880.
The previous prime is 38020967. The next prime is 38021003. The reversal of 38020986 is 68902083.
It can be written as a sum of positive squares in 2 ways, for example, as 33419961 + 4601025 = 5781^2 + 2145^2 .
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 38020986.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1300 + ... + 8816.
Almost surely, 238020986 is an apocalyptic number.
38020986 is an abundant number, since it is smaller than the sum of its proper divisors (44661978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38020986 is a wasteful number, since it uses less digits than its factorization.
38020986 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7806 (or 7803 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 38020986 is about 6166.1159573917. The cubic root of 38020986 is about 336.2594191287.
The spelling of 38020986 in words is "thirty-eight million, twenty thousand, nine hundred eighty-six".
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