Base | Representation |
---|---|
bin | 111010101111001… |
… | …011011001010101 |
3 | 2112200021211202000 |
4 | 322233023121111 |
5 | 4004233232343 |
6 | 241441305513 |
7 | 33264103221 |
oct | 7257133125 |
9 | 2480254660 |
10 | 985445973 |
11 | 466293166 |
12 | 236035299 |
13 | 129212835 |
14 | 94c3d781 |
15 | 5b7a8ed3 |
hex | 3abcb655 |
985445973 has 16 divisors (see below), whose sum is σ = 1467571200. Its totient is φ = 653520960.
The previous prime is 985445941. The next prime is 985446023. The reversal of 985445973 is 379544589.
985445973 is a `hidden beast` number, since 9 + 8 + 5 + 44 + 597 + 3 = 666.
It is not a de Polignac number, because 985445973 - 25 = 985445941 is a prime.
It is a super-2 number, since 2×9854459732 = 1942207531403833458, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (985455973) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90388 + ... + 100701.
It is an arithmetic number, because the mean of its divisors is an integer number (91723200).
Almost surely, 2985445973 is an apocalyptic number.
It is an amenable number.
985445973 is a deficient number, since it is larger than the sum of its proper divisors (482125227).
985445973 is a wasteful number, since it uses less digits than its factorization.
985445973 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 191289 (or 191283 counting only the distinct ones).
The product of its digits is 5443200, while the sum is 54.
The square root of 985445973 is about 31391.8137895853. The cubic root of 985445973 is about 995.1249299798.
The spelling of 985445973 in words is "nine hundred eighty-five million, four hundred forty-five thousand, nine hundred seventy-three".
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