Base | Representation |
---|---|
bin | 111110101101001011001 |
3 | 10212101120200 |
4 | 13311221121 |
5 | 1011222440 |
6 | 112012413 |
7 | 23315340 |
oct | 7655131 |
9 | 3771520 |
10 | 2054745 |
11 | 1183840 |
12 | 831109 |
13 | 56c334 |
14 | 3b6b57 |
15 | 2a8c30 |
hex | 1f5a59 |
2054745 has 48 divisors (see below), whose sum is σ = 4447872. Its totient is φ = 852480.
The previous prime is 2054729. The next prime is 2054749. The reversal of 2054745 is 5474502.
It is not a de Polignac number, because 2054745 - 24 = 2054729 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2054749) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3169 + ... + 3761.
It is an arithmetic number, because the mean of its divisors is an integer number (92664).
22054745 is an apocalyptic number.
It is an amenable number.
2054745 is an abundant number, since it is smaller than the sum of its proper divisors (2393127).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2054745 is a wasteful number, since it uses less digits than its factorization.
2054745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 622 (or 619 counting only the distinct ones).
The product of its (nonzero) digits is 5600, while the sum is 27.
The square root of 2054745 is about 1433.4381744603. The cubic root of 2054745 is about 127.1313457093.
It can be divided in two parts, 205 and 4745, that added together give a triangular number (4950 = T99).
The spelling of 2054745 in words is "two million, fifty-four thousand, seven hundred forty-five".
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