Base | Representation |
---|---|
bin | 100000011101… |
… | …1100000110100 |
3 | 1012000202101200 |
4 | 1000323200310 |
5 | 13324132410 |
6 | 1404452500 |
7 | 264450564 |
oct | 100734064 |
9 | 35022350 |
10 | 17020980 |
11 | 9676129 |
12 | 584a130 |
13 | 36ac4b2 |
14 | 2390da4 |
15 | 17633c0 |
hex | 103b834 |
17020980 has 36 divisors (see below), whose sum is σ = 51630852. Its totient is φ = 4538880.
The previous prime is 17020973. The next prime is 17020987. The reversal of 17020980 is 8902071.
It is an interprime number because it is at equal distance from previous prime (17020973) and next prime (17020987).
It can be written as a sum of positive squares in 2 ways, for example, as 5035536 + 11985444 = 2244^2 + 3462^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (17020987) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47101 + ... + 47460.
Almost surely, 217020980 is an apocalyptic number.
17020980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
17020980 is an abundant number, since it is smaller than the sum of its proper divisors (34609872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
17020980 is a wasteful number, since it uses less digits than its factorization.
17020980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94576 (or 94571 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 27.
The square root of 17020980 is about 4125.6490398482. The cubic root of 17020980 is about 257.2338910487.
The spelling of 17020980 in words is "seventeen million, twenty thousand, nine hundred eighty".
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