Base | Representation |
---|---|
bin | 110001101011101111110 |
3 | 10001201020102 |
4 | 12031131332 |
5 | 404044110 |
6 | 54521102 |
7 | 16560305 |
oct | 6153576 |
9 | 3051212 |
10 | 1628030 |
11 | a12188 |
12 | 666192 |
13 | 450041 |
14 | 30543c |
15 | 2225a5 |
hex | 18d77e |
1628030 has 16 divisors (see below), whose sum is σ = 2973024. Its totient is φ = 641760.
The previous prime is 1627981. The next prime is 1628051. The reversal of 1628030 is 308261.
It is a junction number, because it is equal to n+sod(n) for n = 1627993 and 1628011.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437 + ... + 1856.
It is an arithmetic number, because the mean of its divisors is an integer number (185814).
21628030 is an apocalyptic number.
1628030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1628030 is a deficient number, since it is larger than the sum of its proper divisors (1344994).
1628030 is a wasteful number, since it uses less digits than its factorization.
1628030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2371.
The product of its (nonzero) digits is 288, while the sum is 20.
The square root of 1628030 is about 1275.9427886861. The cubic root of 1628030 is about 117.6397612630.
It can be divided in two parts, 162 and 8030, that added together give a 13-th power (8192 = 213).
The spelling of 1628030 in words is "one million, six hundred twenty-eight thousand, thirty".
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