Base | Representation |
---|---|
bin | 1010010101001010100000 |
3 | 12002120212001 |
4 | 22111022200 |
5 | 1143130003 |
6 | 134013344 |
7 | 32006263 |
oct | 12251240 |
9 | 5076761 |
10 | 2708128 |
11 | 158a725 |
12 | aa7254 |
13 | 73a857 |
14 | 506cda |
15 | 38761d |
hex | 2952a0 |
2708128 has 12 divisors (see below), whose sum is σ = 5331690. Its totient is φ = 1354048.
The previous prime is 2708099. The next prime is 2708149. The reversal of 2708128 is 8218072.
It can be written as a sum of positive squares in only one way, i.e., 1567504 + 1140624 = 1252^2 + 1068^2 .
It is an Ulam number.
It is a junction number, because it is equal to n+sod(n) for n = 2708096 and 2708105.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42283 + ... + 42346.
22708128 is an apocalyptic number.
It is an amenable number.
2708128 is a deficient number, since it is larger than the sum of its proper divisors (2623562).
2708128 is an equidigital number, since it uses as much as digits as its factorization.
2708128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84639 (or 84631 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 28.
The square root of 2708128 is about 1645.6390855835. The cubic root of 2708128 is about 139.3872540453.
The spelling of 2708128 in words is "two million, seven hundred eight thousand, one hundred twenty-eight".
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