Base | Representation |
---|---|
bin | 1001100000110… |
… | …0110100010010 |
3 | 2210002001022000 |
4 | 2120030310102 |
5 | 40203222021 |
6 | 3543054430 |
7 | 663062553 |
oct | 230146422 |
9 | 83061260 |
10 | 39898386 |
11 | 20581280 |
12 | 11441416 |
13 | 835c518 |
14 | 542832a |
15 | 3781b26 |
hex | 260cd12 |
39898386 has 32 divisors (see below), whose sum is σ = 96724800. Its totient is φ = 12090240.
The previous prime is 39898381. The next prime is 39898387. The reversal of 39898386 is 68389893.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (39898381) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32991 + ... + 34178.
It is an arithmetic number, because the mean of its divisors is an integer number (3022650).
Almost surely, 239898386 is an apocalyptic number.
39898386 is an abundant number, since it is smaller than the sum of its proper divisors (56826414).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39898386 is a wasteful number, since it uses less digits than its factorization.
39898386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67191 (or 67185 counting only the distinct ones).
The product of its digits is 2239488, while the sum is 54.
The square root of 39898386 is about 6316.5169199488. The cubic root of 39898386 is about 341.7053479373.
The spelling of 39898386 in words is "thirty-nine million, eight hundred ninety-eight thousand, three hundred eighty-six".
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