Base | Representation |
---|---|
bin | 1001000111100… |
… | …1110001000100 |
3 | 2122222011200210 |
4 | 2101321301010 |
5 | 34242404432 |
6 | 3443435420 |
7 | 643045503 |
oct | 221716104 |
9 | 78864623 |
10 | 38247492 |
11 | 1a6539a8 |
12 | 10985b70 |
13 | 7c01c6a |
14 | 511883a |
15 | 35578cc |
hex | 2479c44 |
38247492 has 24 divisors (see below), whose sum is σ = 91657216. Its totient is φ = 12404448.
The previous prime is 38247481. The next prime is 38247497. The reversal of 38247492 is 29474283.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is a plaindrome in base 15.
It is a self number, because there is not a number n which added to its sum of digits gives 38247492.
It is not an unprimeable number, because it can be changed into a prime (38247497) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42628 + ... + 43515.
Almost surely, 238247492 is an apocalyptic number.
It is an amenable number.
38247492 is an abundant number, since it is smaller than the sum of its proper divisors (53409724).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38247492 is a wasteful number, since it uses less digits than its factorization.
38247492 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86187 (or 86185 counting only the distinct ones).
The product of its digits is 96768, while the sum is 39.
The square root of 38247492 is about 6184.4556753202. The cubic root of 38247492 is about 336.9258407967.
It can be divided in two parts, 382 and 47492, that added together give a palindrome (47874).
The spelling of 38247492 in words is "thirty-eight million, two hundred forty-seven thousand, four hundred ninety-two".
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