Base | Representation |
---|---|
bin | 11000000001000… |
… | …11001011000000 |
3 | 112001002202210011 |
4 | 30000203023000 |
5 | 403034030111 |
6 | 31554114304 |
7 | 4664321002 |
oct | 1400431300 |
9 | 461082704 |
10 | 201470656 |
11 | a37a7982 |
12 | 5757b994 |
13 | 3298080a |
14 | 1ca86372 |
15 | 12a4a021 |
hex | c0232c0 |
201470656 has 56 divisors (see below), whose sum is σ = 419526720. Its totient is φ = 95864832.
The previous prime is 201470653. The next prime is 201470677. The reversal of 201470656 is 656074102.
It is a happy number.
It is a super-3 number, since 3×2014706563 (a number of 26 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (201470651) 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, 134745 + ... + 136231.
Almost surely, 2201470656 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 201470656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209763360).
201470656 is an abundant number, since it is smaller than the sum of its proper divisors (218056064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201470656 is a wasteful number, since it uses less digits than its factorization.
201470656 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1601 (or 1591 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 31.
The square root of 201470656 is about 14194.0359306295. The cubic root of 201470656 is about 586.2334565854.
The spelling of 201470656 in words is "two hundred one million, four hundred seventy thousand, six hundred fifty-six".
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