Base | Representation |
---|---|
bin | 1111010100010… |
… | …0111011001010 |
3 | 11110220000012010 |
4 | 3311010323022 |
5 | 112421323300 |
6 | 10213000350 |
7 | 1410035343 |
oct | 365047312 |
9 | 143800163 |
10 | 64245450 |
11 | 332a0615 |
12 | 196230b6 |
13 | 10405479 |
14 | 87650ca |
15 | 5990a50 |
hex | 3d44eca |
64245450 has 24 divisors (see below), whose sum is σ = 159329088. Its totient is φ = 17132080.
The previous prime is 64245437. The next prime is 64245457. The reversal of 64245450 is 5454246.
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (64245457) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214002 + ... + 214301.
It is an arithmetic number, because the mean of its divisors is an integer number (6638712).
Almost surely, 264245450 is an apocalyptic number.
64245450 is an abundant number, since it is smaller than the sum of its proper divisors (95083638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64245450 is a wasteful number, since it uses less digits than its factorization.
64245450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 428318 (or 428313 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 30.
The square root of 64245450 is about 8015.3259447137. The cubic root of 64245450 is about 400.5107018482.
Adding to 64245450 its reverse (5454246), we get a palindrome (69699696).
The spelling of 64245450 in words is "sixty-four million, two hundred forty-five thousand, four hundred fifty".
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