Base | Representation |
---|---|
bin | 1111010100001… |
… | …1100111101110 |
3 | 11110212201212100 |
4 | 3311003213232 |
5 | 112421140420 |
6 | 10212515530 |
7 | 1410013644 |
oct | 365034756 |
9 | 143781770 |
10 | 64240110 |
11 | 33297600 |
12 | 1961bba6 |
13 | 10402bcc |
14 | 8763194 |
15 | 598e190 |
hex | 3d439ee |
64240110 has 144 divisors (see below), whose sum is σ = 194948208. Its totient is φ = 14615040.
The previous prime is 64240109. The next prime is 64240129. The reversal of 64240110 is 1104246.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 184957 + ... + 185303.
It is an arithmetic number, because the mean of its divisors is an integer number (1353807).
Almost surely, 264240110 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 64240110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97474104).
64240110 is an abundant number, since it is smaller than the sum of its proper divisors (130708098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64240110 is a wasteful number, since it uses less digits than its factorization.
64240110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 399 (or 385 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 64240110 is about 8014.9928259481. The cubic root of 64240110 is about 400.4996048942.
Adding to 64240110 its reverse (1104246), we get a palindrome (65344356).
It can be divided in two parts, 642401 and 10, that added together give a triangular number (642411 = T1133).
The spelling of 64240110 in words is "sixty-four million, two hundred forty thousand, one hundred ten".
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