Base | Representation |
---|---|
bin | 111111001110111111001 |
3 | 10220021022212 |
4 | 13321313321 |
5 | 1012301212 |
6 | 112224505 |
7 | 23416661 |
oct | 7716771 |
9 | 3807285 |
10 | 2072057 |
11 | 1195849 |
12 | 83b135 |
13 | 577190 |
14 | 3bd1a1 |
15 | 2ade22 |
hex | 1f9df9 |
2072057 has 4 divisors (see below), whose sum is σ = 2231460. Its totient is φ = 1912656.
The previous prime is 2072053. The next prime is 2072087. The reversal of 2072057 is 7502702.
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 1142761 + 929296 = 1069^2 + 964^2 .
It is a cyclic number.
It is not a de Polignac number, because 2072057 - 22 = 2072053 is a prime.
It is a super-2 number, since 2×20720572 = 8586840422498, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2072053) 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, 79682 + ... + 79707.
It is an arithmetic number, because the mean of its divisors is an integer number (557865).
22072057 is an apocalyptic number.
It is an amenable number.
2072057 is a deficient number, since it is larger than the sum of its proper divisors (159403).
2072057 is a wasteful number, since it uses less digits than its factorization.
2072057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159402.
The product of its (nonzero) digits is 980, while the sum is 23.
The square root of 2072057 is about 1439.4641364063. The cubic root of 2072057 is about 127.4873907817.
Adding to 2072057 its reverse (7502702), we get a palindrome (9574759).
The spelling of 2072057 in words is "two million, seventy-two thousand, fifty-seven".
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