Base | Representation |
---|---|
bin | 1111010110110… |
… | …1001100110100 |
3 | 11111012101111010 |
4 | 3311231030310 |
5 | 112442113140 |
6 | 10220312220 |
7 | 1411323324 |
oct | 365551464 |
9 | 144171433 |
10 | 64410420 |
11 | 333a3558 |
12 | 196a2670 |
13 | 10462599 |
14 | 87a9284 |
15 | 59c4880 |
hex | 3d6d334 |
64410420 has 24 divisors (see below), whose sum is σ = 180349344. Its totient is φ = 17176096.
The previous prime is 64410403. The next prime is 64410443. The reversal of 64410420 is 2401446.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536694 + ... + 536813.
It is an arithmetic number, because the mean of its divisors is an integer number (7514556).
Almost surely, 264410420 is an apocalyptic number.
64410420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
64410420 is an abundant number, since it is smaller than the sum of its proper divisors (115938924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64410420 is a wasteful number, since it uses less digits than its factorization.
64410420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1073519 (or 1073517 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 64410420 is about 8025.6102571705. The cubic root of 64410420 is about 400.8532204100.
Adding to 64410420 its reverse (2401446), we get a palindrome (66811866).
The spelling of 64410420 in words is "sixty-four million, four hundred ten thousand, four hundred twenty".
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