Base | Representation |
---|---|
bin | 110101011101110… |
… | …101100011100000 |
3 | 2022111220000212011 |
4 | 311131311203200 |
5 | 3314113421414 |
6 | 225002042304 |
7 | 31141331056 |
oct | 6535654340 |
9 | 2274800764 |
10 | 897013984 |
11 | 420382979 |
12 | 2104a9394 |
13 | 113abc509 |
14 | 871c01d6 |
15 | 53b3bdc4 |
hex | 357758e0 |
897013984 has 48 divisors (see below), whose sum is σ = 1847204352. Its totient is φ = 427977088.
The previous prime is 897013981. The next prime is 897013991. The reversal of 897013984 is 489310798.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (897013981) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368997 + ... + 371419.
It is an arithmetic number, because the mean of its divisors is an integer number (38483424).
Almost surely, 2897013984 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 897013984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (923602176).
897013984 is an abundant number, since it is smaller than the sum of its proper divisors (950190368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
897013984 is a wasteful number, since it uses less digits than its factorization.
897013984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2959 (or 2951 counting only the distinct ones).
The product of its (nonzero) digits is 435456, while the sum is 49.
The square root of 897013984 is about 29950.1917189189. The cubic root of 897013984 is about 964.4204360853.
The spelling of 897013984 in words is "eight hundred ninety-seven million, thirteen thousand, nine hundred eighty-four".
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