Base | Representation |
---|---|
bin | 1100011001010… |
… | …01011111000000 |
3 | 21020122200022000 |
4 | 12030221133000 |
5 | 203104311234 |
6 | 14152344000 |
7 | 2401543416 |
oct | 614513700 |
9 | 236580260 |
10 | 103978944 |
11 | 53769a13 |
12 | 2a9a5000 |
13 | 18707904 |
14 | db492b6 |
15 | 91dd899 |
hex | 63297c0 |
103978944 has 112 divisors (see below), whose sum is σ = 321868800. Its totient is φ = 32825088.
The previous prime is 103978933. The next prime is 103978969. The reversal of 103978944 is 449879301.
It is a self number, because there is not a number n which added to its sum of digits gives 103978944.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31249 + ... + 34415.
Almost surely, 2103978944 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 103978944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160934400).
103978944 is an abundant number, since it is smaller than the sum of its proper divisors (217889856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103978944 is a wasteful number, since it uses less digits than its factorization.
103978944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3207 (or 3191 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 45.
The square root of 103978944 is about 10197.0066195918. The cubic root of 103978944 is about 470.2351984128.
The spelling of 103978944 in words is "one hundred three million, nine hundred seventy-eight thousand, nine hundred forty-four".
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