Base | Representation |
---|---|
bin | 1011011001001100100100 |
3 | 12121202002210 |
4 | 23121030210 |
5 | 1231034123 |
6 | 144003420 |
7 | 34246560 |
oct | 13311444 |
9 | 5552083 |
10 | 2986788 |
11 | 1760022 |
12 | 1000570 |
13 | 80763c |
14 | 57a6a0 |
15 | 3dee93 |
hex | 2d9324 |
2986788 has 72 divisors (see below), whose sum is σ = 8452416. Its totient is φ = 803520.
The previous prime is 2986787. The next prime is 2986799. The reversal of 2986788 is 8876892.
It is a happy number.
It is a d-powerful number, because it can be written as 221 + 9 + 83 + 62 + 77 + 85 + 85 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2986787) 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, 80706 + ... + 80742.
22986788 is an apocalyptic number.
2986788 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 2986788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4226208).
2986788 is an abundant number, since it is smaller than the sum of its proper divisors (5465628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2986788 is a wasteful number, since it uses less digits than its factorization.
2986788 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113 (or 80 counting only the distinct ones).
The product of its digits is 387072, while the sum is 48.
The square root of 2986788 is about 1728.2326232310. The cubic root of 2986788 is about 144.0129232229.
The spelling of 2986788 in words is "two million, nine hundred eighty-six thousand, seven hundred eighty-eight".
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