Base | Representation |
---|---|
bin | 1011010111111000000000 |
3 | 12121110200100 |
4 | 23113320000 |
5 | 1230401001 |
6 | 143522400 |
7 | 34225026 |
oct | 13277000 |
9 | 5543610 |
10 | 2981376 |
11 | 1756a52 |
12 | bb9400 |
13 | 805038 |
14 | 578716 |
15 | 3dd586 |
hex | 2d7e00 |
2981376 has 60 divisors (see below), whose sum is σ = 8617752. Its totient is φ = 992256.
The previous prime is 2981371. The next prime is 2981383. The reversal of 2981376 is 6731892.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nialpdrome in base 12.
It is a self number, because there is not a number n which added to its sum of digits gives 2981376.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2981371) 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, 4285 + ... + 4931.
22981376 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2981376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4308876).
2981376 is an abundant number, since it is smaller than the sum of its proper divisors (5636376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2981376 is an equidigital number, since it uses as much as digits as its factorization.
2981376 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 671 (or 652 counting only the distinct ones).
The product of its digits is 18144, while the sum is 36.
The square root of 2981376 is about 1726.6661518661. Note that the first 3 decimals coincide. The cubic root of 2981376 is about 143.9258877893.
The spelling of 2981376 in words is "two million, nine hundred eighty-one thousand, three hundred seventy-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •