Base | Representation |
---|---|
bin | 111011010010110… |
… | …111100111111100 |
3 | 2120022220012000220 |
4 | 323102313213330 |
5 | 4014132132142 |
6 | 242414021340 |
7 | 33436451610 |
oct | 7322674774 |
9 | 2508805026 |
10 | 994802172 |
11 | 4705a3661 |
12 | 2391a7850 |
13 | 12b13a350 |
14 | 96197340 |
15 | 5c5062ec |
hex | 3b4b79fc |
994802172 has 96 divisors (see below), whose sum is σ = 2862892032. Its totient is φ = 261812736.
The previous prime is 994802153. The next prime is 994802173. The reversal of 994802172 is 271208499.
It is a super-2 number, since 2×9948021722 = 1979262722831835168, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (994802173) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 935313 + ... + 936375.
It is an arithmetic number, because the mean of its divisors is an integer number (29821792).
Almost surely, 2994802172 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 994802172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1431446016).
994802172 is an abundant number, since it is smaller than the sum of its proper divisors (1868089860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
994802172 is a wasteful number, since it uses less digits than its factorization.
994802172 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1947 (or 1945 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 42.
The square root of 994802172 is about 31540.4846506835. The cubic root of 994802172 is about 998.2643800328.
The spelling of 994802172 in words is "nine hundred ninety-four million, eight hundred two thousand, one hundred seventy-two".
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