Base | Representation |
---|---|
bin | 10111110010000… |
… | …010101110010111 |
3 | 1000210210000022200 |
4 | 113302002232113 |
5 | 1304120304302 |
6 | 103331455543 |
7 | 12613252524 |
oct | 2762025627 |
9 | 1023700280 |
10 | 398994327 |
11 | 195249386 |
12 | b17575b3 |
13 | 6487b924 |
14 | 3adc214b |
15 | 2506581c |
hex | 17c82b97 |
398994327 has 12 divisors (see below), whose sum is σ = 588588000. Its totient is φ = 260336448.
The previous prime is 398994311. The next prime is 398994331. The reversal of 398994327 is 723499893.
It is not a de Polignac number, because 398994327 - 24 = 398994311 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (398994307) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 471202 + ... + 472047.
It is an arithmetic number, because the mean of its divisors is an integer number (49049000).
Almost surely, 2398994327 is an apocalyptic number.
398994327 is a deficient number, since it is larger than the sum of its proper divisors (189593673).
398994327 is a wasteful number, since it uses less digits than its factorization.
398994327 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 943302 (or 943299 counting only the distinct ones).
The product of its digits is 2939328, while the sum is 54.
The square root of 398994327 is about 19974.8423523191. The cubic root of 398994327 is about 736.1882930096.
The spelling of 398994327 in words is "three hundred ninety-eight million, nine hundred ninety-four thousand, three hundred twenty-seven".
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