Base | Representation |
---|---|
bin | 11101001100001… |
… | …000100001111110 |
3 | 1021010111100110100 |
4 | 131030020201332 |
5 | 2000332014214 |
6 | 120332221530 |
7 | 15064356624 |
oct | 3514104176 |
9 | 1233440410 |
10 | 489719934 |
11 | 231485920 |
12 | 11800a8a6 |
13 | 7a5c5c12 |
14 | 4907b514 |
15 | 2ced7309 |
hex | 1d30887e |
489719934 has 48 divisors (see below), whose sum is σ = 1161828720. Its totient is φ = 147847680.
The previous prime is 489719929. The next prime is 489719959. The reversal of 489719934 is 439917984.
489719934 is a `hidden beast` number, since 489 + 71 + 9 + 93 + 4 = 666.
It is a super-2 number, since 2×4897199342 = 479651227513928712, which contains 22 as substring.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50382 + ... + 59310.
It is an arithmetic number, because the mean of its divisors is an integer number (24204765).
Almost surely, 2489719934 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 489719934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (580914360).
489719934 is an abundant number, since it is smaller than the sum of its proper divisors (672108786).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489719934 is a wasteful number, since it uses less digits than its factorization.
489719934 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9225 (or 9222 counting only the distinct ones).
The product of its digits is 1959552, while the sum is 54.
The square root of 489719934 is about 22129.6166708780. The cubic root of 489719934 is about 788.2232859044.
The spelling of 489719934 in words is "four hundred eighty-nine million, seven hundred nineteen thousand, nine hundred thirty-four".
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