Base | Representation |
---|---|
bin | 11101111011001001010 |
3 | 1211211001211 |
4 | 3233121022 |
5 | 222334204 |
6 | 33003334 |
7 | 11222521 |
oct | 3573112 |
9 | 1754054 |
10 | 980554 |
11 | 60a783 |
12 | 3b354a |
13 | 284413 |
14 | 1b74b8 |
15 | 145804 |
hex | ef64a |
980554 has 4 divisors (see below), whose sum is σ = 1470834. Its totient is φ = 490276.
The previous prime is 980549. The next prime is 980557. The reversal of 980554 is 455089.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 455089 = 83 ⋅5483.
It can be written as a sum of positive squares in only one way, i.e., 950625 + 29929 = 975^2 + 173^2 .
It is a super-2 number, since 2×9805542 = 1922972293832, which contains 22 as substring.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (980557) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245137 + ... + 245140.
2980554 is an apocalyptic number.
980554 is a deficient number, since it is larger than the sum of its proper divisors (490280).
980554 is a wasteful number, since it uses less digits than its factorization.
980554 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 490279.
The product of its (nonzero) digits is 7200, while the sum is 31.
The square root of 980554 is about 990.2292663823. The cubic root of 980554 is about 99.3475523790.
The spelling of 980554 in words is "nine hundred eighty thousand, five hundred fifty-four".
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