Base | Representation |
---|---|
bin | 1010011110011010000100 |
3 | 12011111210021 |
4 | 22132122010 |
5 | 1200332423 |
6 | 134504524 |
7 | 32224540 |
oct | 12363204 |
9 | 5144707 |
10 | 2745988 |
11 | 1606113 |
12 | b05144 |
13 | 751b5b |
14 | 516a20 |
15 | 39395d |
hex | 29e684 |
2745988 has 24 divisors (see below), whose sum is σ = 5552064. Its totient is φ = 1164000.
The previous prime is 2745979. The next prime is 2745989. The reversal of 2745988 is 8895472.
It is a super-2 number, since 2×27459882 = 15080900192288, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2745989) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2343 + ... + 3313.
It is an arithmetic number, because the mean of its divisors is an integer number (231336).
22745988 is an apocalyptic number.
2745988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
2745988 is an abundant number, since it is smaller than the sum of its proper divisors (2806076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2745988 is a wasteful number, since it uses less digits than its factorization.
2745988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1083 (or 1081 counting only the distinct ones).
The product of its digits is 161280, while the sum is 43.
The square root of 2745988 is about 1657.1022901439. The cubic root of 2745988 is about 140.0338013622.
The spelling of 2745988 in words is "two million, seven hundred forty-five thousand, nine hundred eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •