Base | Representation |
---|---|
bin | 1010100000011001001001 |
3 | 12011220221111 |
4 | 22200121021 |
5 | 1201112441 |
6 | 135010321 |
7 | 32260336 |
oct | 12403111 |
9 | 5156844 |
10 | 2754121 |
11 | 1611237 |
12 | b099a1 |
13 | 755776 |
14 | 51998d |
15 | 396081 |
hex | 2a0649 |
2754121 has 4 divisors (see below), whose sum is σ = 2782612. Its totient is φ = 2725632.
The previous prime is 2754113. The next prime is 2754127. The reversal of 2754121 is 1214572.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 2131600 + 622521 = 1460^2 + 789^2 .
It is a cyclic number.
It is not a de Polignac number, because 2754121 - 23 = 2754113 is a prime.
It is an Ulam number.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2754092 and 2754101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2754127) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14100 + ... + 14293.
It is an arithmetic number, because the mean of its divisors is an integer number (695653).
22754121 is an apocalyptic number.
It is an amenable number.
2754121 is a deficient number, since it is larger than the sum of its proper divisors (28491).
2754121 is an equidigital number, since it uses as much as digits as its factorization.
2754121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28490.
The product of its digits is 560, while the sum is 22.
The square root of 2754121 is about 1659.5544582809. The cubic root of 2754121 is about 140.1719146593.
Adding to 2754121 its reverse (1214572), we get a palindrome (3968693).
The spelling of 2754121 in words is "two million, seven hundred fifty-four thousand, one hundred twenty-one".
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