Base | Representation |
---|---|
bin | 11101111100000101110 |
3 | 1211211201202 |
4 | 3233200232 |
5 | 222343123 |
6 | 33005502 |
7 | 11224112 |
oct | 3574056 |
9 | 1754652 |
10 | 981038 |
11 | 610083 |
12 | 3b3892 |
13 | 2846c6 |
14 | 1b7742 |
15 | 145a28 |
hex | ef82e |
981038 has 4 divisors (see below), whose sum is σ = 1471560. Its totient is φ = 490518.
The previous prime is 981037. The next prime is 981049. The reversal of 981038 is 830189.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 830189 = 59 ⋅14071.
It is an alternating number because its digits alternate between odd and even.
It is a self number, because there is not a number n which added to its sum of digits gives 981038.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (981037) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245258 + ... + 245261.
It is an arithmetic number, because the mean of its divisors is an integer number (367890).
2981038 is an apocalyptic number.
981038 is a deficient number, since it is larger than the sum of its proper divisors (490522).
981038 is a wasteful number, since it uses less digits than its factorization.
981038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 490521.
The product of its (nonzero) digits is 1728, while the sum is 29.
The square root of 981038 is about 990.4736240809. The cubic root of 981038 is about 99.3638956251.
The spelling of 981038 in words is "nine hundred eighty-one thousand, thirty-eight".
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