Base | Representation |
---|---|
bin | 111101111001001111010 |
3 | 10211001002211 |
4 | 13233021322 |
5 | 1004400104 |
6 | 111245334 |
7 | 23144662 |
oct | 7571172 |
9 | 3731084 |
10 | 2028154 |
11 | 1165867 |
12 | 81984a |
13 | 5601bb |
14 | 3ab1a2 |
15 | 2a0e04 |
hex | 1ef27a |
2028154 has 8 divisors (see below), whose sum is σ = 3055680. Its totient is φ = 1009596.
The previous prime is 2028139. The next prime is 2028179. The reversal of 2028154 is 4518202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×20281542 = 8226817295432, which contains 22 as substring.
It is an Ulam number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1644 + ... + 2599.
It is an arithmetic number, because the mean of its divisors is an integer number (381960).
22028154 is an apocalyptic number.
2028154 is a deficient number, since it is larger than the sum of its proper divisors (1027526).
2028154 is a wasteful number, since it uses less digits than its factorization.
2028154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4484.
The product of its (nonzero) digits is 640, while the sum is 22.
The square root of 2028154 is about 1424.1327185343. The cubic root of 2028154 is about 126.5805493437.
The spelling of 2028154 in words is "two million, twenty-eight thousand, one hundred fifty-four".
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