Base | Representation |
---|---|
bin | 111101111001111111001 |
3 | 10211001122000 |
4 | 13233033321 |
5 | 1004403122 |
6 | 111251213 |
7 | 23146050 |
oct | 7571771 |
9 | 3731560 |
10 | 2028537 |
11 | 1166085 |
12 | 819b09 |
13 | 560424 |
14 | 3ab397 |
15 | 2a10ac |
hex | 1ef3f9 |
2028537 has 16 divisors (see below), whose sum is σ = 3434880. Its totient is φ = 1159056.
The previous prime is 2028527. The next prime is 2028581. The reversal of 2028537 is 7358202.
It is not a de Polignac number, because 2028537 - 28 = 2028281 is a prime.
It is a super-2 number, since 2×20285372 = 8229924720738, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 2028537.
It is not an unprimeable number, because it can be changed into a prime (2028517) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5178 + ... + 5555.
It is an arithmetic number, because the mean of its divisors is an integer number (214680).
22028537 is an apocalyptic number.
2028537 is a gapful number since it is divisible by the number (27) formed by its first and last digit.
It is an amenable number.
2028537 is a deficient number, since it is larger than the sum of its proper divisors (1406343).
2028537 is a wasteful number, since it uses less digits than its factorization.
2028537 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10749 (or 10743 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 2028537 is about 1424.2671799912. The cubic root of 2028537 is about 126.5885167366.
The spelling of 2028537 in words is "two million, twenty-eight thousand, five hundred thirty-seven".
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