Base | Representation |
---|---|
bin | 1010000100101… |
… | …1100101110100 |
3 | 2221111122202100 |
4 | 2201023211310 |
5 | 41304041120 |
6 | 4105342100 |
7 | 1022066412 |
oct | 241134564 |
9 | 87448670 |
10 | 42252660 |
11 | 2193a05a |
12 | 12197930 |
13 | 89a4c98 |
14 | 587c2b2 |
15 | 3a99490 |
hex | 284b974 |
42252660 has 144 divisors (see below), whose sum is σ = 134918784. Its totient is φ = 10692864.
The previous prime is 42252653. The next prime is 42252677. The reversal of 42252660 is 6625224.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 410169 + ... + 410271.
It is an arithmetic number, because the mean of its divisors is an integer number (936936).
Almost surely, 242252660 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 42252660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67459392).
42252660 is an abundant number, since it is smaller than the sum of its proper divisors (92666124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42252660 is a wasteful number, since it uses less digits than its factorization.
42252660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 214 (or 209 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
The square root of 42252660 is about 6500.2046121641. The cubic root of 42252660 is about 348.2982975427.
Adding to 42252660 its reverse (6625224), we get a palindrome (48877884).
The spelling of 42252660 in words is "forty-two million, two hundred fifty-two thousand, six hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •