Base | Representation |
---|---|
bin | 1111010000111… |
… | …0101001011010 |
3 | 11110110201020001 |
4 | 3310032221122 |
5 | 112342220010 |
6 | 10204123214 |
7 | 1405121233 |
oct | 364165132 |
9 | 143421201 |
10 | 64023130 |
11 | 33159586 |
12 | 1953650a |
13 | 10358212 |
14 | 870808a |
15 | 5949c3a |
hex | 3d0ea5a |
64023130 has 16 divisors (see below), whose sum is σ = 117922464. Its totient is φ = 25013520.
The previous prime is 64023121. The next prime is 64023131. The reversal of 64023130 is 3132046.
It is a super-2 number, since 2×640231302 = 8197922349993800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 64023098 and 64023107.
It is not an unprimeable number, because it can be changed into a prime (64023131) 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, 74016 + ... + 74875.
It is an arithmetic number, because the mean of its divisors is an integer number (7370154).
Almost surely, 264023130 is an apocalyptic number.
64023130 is a deficient number, since it is larger than the sum of its proper divisors (53899334).
64023130 is a wasteful number, since it uses less digits than its factorization.
64023130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148941.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 64023130 is about 8001.4454944091. The cubic root of 64023130 is about 400.0481816961.
Adding to 64023130 its reverse (3132046), we get a palindrome (67155176).
The spelling of 64023130 in words is "sixty-four million, twenty-three thousand, one hundred thirty".
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