Base | Representation |
---|---|
bin | 1111010010011… |
… | …1011000001110 |
3 | 11110122212011220 |
4 | 3310213120032 |
5 | 112403440210 |
6 | 10210224210 |
7 | 1406022456 |
oct | 364473016 |
9 | 143585156 |
10 | 64124430 |
11 | 332186a7 |
12 | 19585066 |
13 | 10392366 |
14 | 8732d66 |
15 | 5969c70 |
hex | 3d2760e |
64124430 has 96 divisors (see below), whose sum is σ = 168542208. Its totient is φ = 15595200.
The previous prime is 64124429. The next prime is 64124471. The reversal of 64124430 is 3442146.
It is a super-2 number, since 2×641244302 = 8223885045649800, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 64124430.
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, 335635 + ... + 335825.
It is an arithmetic number, because the mean of its divisors is an integer number (1755648).
Almost surely, 264124430 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 64124430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84271104).
64124430 is an abundant number, since it is smaller than the sum of its proper divisors (104417778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64124430 is a wasteful number, since it uses less digits than its factorization.
64124430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 270 (or 251 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 24.
The square root of 64124430 is about 8007.7730986836. The cubic root of 64124430 is about 400.2590613485.
Adding to 64124430 its reverse (3442146), we get a palindrome (67566576).
The spelling of 64124430 in words is "sixty-four million, one hundred twenty-four thousand, four hundred thirty".
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