Base | Representation |
---|---|
bin | 11101111010010100010 |
3 | 1211210111010 |
4 | 3233102202 |
5 | 222331010 |
6 | 33001350 |
7 | 11221344 |
oct | 3572242 |
9 | 1753433 |
10 | 980130 |
11 | 60a428 |
12 | 3b3256 |
13 | 284178 |
14 | 1b7294 |
15 | 145620 |
hex | ef4a2 |
980130 has 32 divisors (see below), whose sum is σ = 2418624. Its totient is φ = 254016.
The previous prime is 980117. The next prime is 980131. The reversal of 980130 is 31089.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 980097 and 980106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (980131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 669 + ... + 1551.
It is an arithmetic number, because the mean of its divisors is an integer number (75582).
2980130 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 980130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1209312).
980130 is an abundant number, since it is smaller than the sum of its proper divisors (1438494).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
980130 is a wasteful number, since it uses less digits than its factorization.
980130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 930.
The product of its (nonzero) digits is 216, while the sum is 21.
The square root of 980130 is about 990.0151513992. The cubic root of 980130 is about 99.3332307352. Note that the first 3 decimals are identical.
The spelling of 980130 in words is "nine hundred eighty thousand, one hundred thirty".
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