Base | Representation |
---|---|
bin | 1001000111001000001100 |
3 | 11111100101200 |
4 | 21013020030 |
5 | 1102412432 |
6 | 123105500 |
7 | 26205351 |
oct | 11071014 |
9 | 4440350 |
10 | 2388492 |
11 | 1391567 |
12 | 972290 |
13 | 658212 |
14 | 462628 |
15 | 322a7c |
hex | 24720c |
2388492 has 18 divisors (see below), whose sum is σ = 6037668. Its totient is φ = 796152.
The previous prime is 2388479. The next prime is 2388499. The reversal of 2388492 is 2948832.
It is a tau number, because it is divible by the number of its divisors (18).
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 66347 = 2388492 / (2 + 3 + 8 + 8 + 4 + 9 + 2).
It is a d-powerful number, because it can be written as 28 + 313 + 8 + 82 + 44 + 96 + 218 .
It is not an unprimeable number, because it can be changed into a prime (2388499) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33138 + ... + 33209.
It is an arithmetic number, because the mean of its divisors is an integer number (335426).
22388492 is an apocalyptic number.
It is an amenable number.
2388492 is an abundant number, since it is smaller than the sum of its proper divisors (3649176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2388492 is a wasteful number, since it uses less digits than its factorization.
2388492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66357 (or 66352 counting only the distinct ones).
The product of its digits is 27648, while the sum is 36.
The square root of 2388492 is about 1545.4746843608. The cubic root of 2388492 is about 133.6722516667.
The spelling of 2388492 in words is "two million, three hundred eighty-eight thousand, four hundred ninety-two".
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