Base | Representation |
---|---|
bin | 101001001011001… |
… | …111110101000000 |
3 | 1210010220000000210 |
4 | 221023033311000 |
5 | 2403322024042 |
6 | 152314314120 |
7 | 23055552531 |
oct | 5113176500 |
9 | 1703800023 |
10 | 690814272 |
11 | 324a45a95 |
12 | 173428940 |
13 | b0174355 |
14 | 67a66688 |
15 | 409aaa9c |
hex | 292cfd40 |
690814272 has 112 divisors (see below), whose sum is σ = 1918045440. Its totient is φ = 219174912.
The previous prime is 690814253. The next prime is 690814273. The reversal of 690814272 is 272418096.
It is a self number, because there is not a number n which added to its sum of digits gives 690814272.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (690814273) 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, 332854 + ... + 334922.
Almost surely, 2690814272 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 690814272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (959022720).
690814272 is an abundant number, since it is smaller than the sum of its proper divisors (1227231168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
690814272 is a wasteful number, since it uses less digits than its factorization.
690814272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2168 (or 2158 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 39.
The square root of 690814272 is about 26283.3459057252. The cubic root of 690814272 is about 884.0030575299.
The spelling of 690814272 in words is "six hundred ninety million, eight hundred fourteen thousand, two hundred seventy-two".
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