Base | Representation |
---|---|
bin | 101100010110001… |
… | …000111110001100 |
3 | 1220211222012002011 |
4 | 230112020332030 |
5 | 3010431021140 |
6 | 201454311004 |
7 | 24302623231 |
oct | 5426107614 |
9 | 1824865064 |
10 | 744001420 |
11 | 351a73308 |
12 | 1891b8464 |
13 | bb1a7336 |
14 | 70b4d788 |
15 | 454b4cea |
hex | 2c588f8c |
744001420 has 12 divisors (see below), whose sum is σ = 1562403024. Its totient is φ = 297600560.
The previous prime is 744001417. The next prime is 744001441. The reversal of 744001420 is 24100447.
It is a super-2 number, since 2×7440014202 = 1107076225924032800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 744001391 and 744001400.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18600016 + ... + 18600055.
It is an arithmetic number, because the mean of its divisors is an integer number (130200252).
Almost surely, 2744001420 is an apocalyptic number.
It is an amenable number.
744001420 is an abundant number, since it is smaller than the sum of its proper divisors (818401604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
744001420 is a wasteful number, since it uses less digits than its factorization.
744001420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37200080 (or 37200078 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 22.
The square root of 744001420 is about 27276.3894238222. The cubic root of 744001420 is about 906.1315556975.
Adding to 744001420 its reverse (24100447), we get a palindrome (768101867).
The spelling of 744001420 in words is "seven hundred forty-four million, one thousand, four hundred twenty".
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