Base | Representation |
---|---|
bin | 1010100010010100000110 |
3 | 12012022201221 |
4 | 22202110012 |
5 | 1201340430 |
6 | 135110554 |
7 | 32322310 |
oct | 12422406 |
9 | 5168657 |
10 | 2761990 |
11 | 1617140 |
12 | b1245a |
13 | 75921a |
14 | 51c7b0 |
15 | 39857a |
hex | 2a2506 |
2761990 has 64 divisors (see below), whose sum is σ = 6594048. Its totient is φ = 806400.
The previous prime is 2761987. The next prime is 2761999. The reversal of 2761990 is 991672.
It is a Harshad number since it is a multiple of its sum of digits (34).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2761999) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12985 + ... + 13195.
It is an arithmetic number, because the mean of its divisors is an integer number (103032).
22761990 is an apocalyptic number.
2761990 is an abundant number, since it is smaller than the sum of its proper divisors (3832058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2761990 is a wasteful number, since it uses less digits than its factorization.
2761990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 253.
The product of its (nonzero) digits is 6804, while the sum is 34.
The square root of 2761990 is about 1661.9235842842. The cubic root of 2761990 is about 140.3052861852.
The spelling of 2761990 in words is "two million, seven hundred sixty-one thousand, nine hundred ninety".
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