Base | Representation |
---|---|
bin | 1001000101010101011100 |
3 | 11110222022200 |
4 | 21011111130 |
5 | 1102144043 |
6 | 123011500 |
7 | 26145060 |
oct | 11052534 |
9 | 4428280 |
10 | 2381148 |
11 | 1386aa0 |
12 | 969b90 |
13 | 654a83 |
14 | 45daa0 |
15 | 3207d3 |
hex | 24555c |
2381148 has 72 divisors (see below), whose sum is σ = 7512960. Its totient is φ = 617760.
The previous prime is 2381147. The next prime is 2381149. The reversal of 2381148 is 8411832.
It is an interprime number because it is at equal distance from previous prime (2381147) and next prime (2381149).
It is a plaindrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2381143) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2343 + ... + 3201.
22381148 is an apocalyptic number.
2381148 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2381148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3756480).
2381148 is an abundant number, since it is smaller than the sum of its proper divisors (5131812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2381148 is a wasteful number, since it uses less digits than its factorization.
2381148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 887 (or 882 counting only the distinct ones).
The product of its digits is 1536, while the sum is 27.
The square root of 2381148 is about 1543.0968861352. The cubic root of 2381148 is about 133.5351083861.
The spelling of 2381148 in words is "two million, three hundred eighty-one thousand, one hundred forty-eight".
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