Base | Representation |
---|---|
bin | 101010110111010… |
… | …0110101100110000 |
3 | 10201020101012221000 |
4 | 1111232212230300 |
5 | 10421144433441 |
6 | 354415202000 |
7 | 50433116412 |
oct | 12556465460 |
9 | 3636335830 |
10 | 1438280496 |
11 | 678965474 |
12 | 341816300 |
13 | 19bc92763 |
14 | d90389b2 |
15 | 864072b6 |
hex | 55ba6b30 |
1438280496 has 40 divisors (see below), whose sum is σ = 4128398960. Its totient is φ = 479426688.
The previous prime is 1438280479. The next prime is 1438280507. The reversal of 1438280496 is 6940828341.
It is a happy number.
1438280496 is a `hidden beast` number, since 1 + 4 + 3 + 82 + 80 + 496 = 666.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
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, 1664245 + ... + 1665108.
It is an arithmetic number, because the mean of its divisors is an integer number (103209974).
Almost surely, 21438280496 is an apocalyptic number.
1438280496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
1438280496 is an abundant number, since it is smaller than the sum of its proper divisors (2690118464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1438280496 is a wasteful number, since it uses less digits than its factorization.
1438280496 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3329370 (or 3329358 counting only the distinct ones).
The product of its (nonzero) digits is 331776, while the sum is 45.
The square root of 1438280496 is about 37924.6686999372. The cubic root of 1438280496 is about 1128.7935791830.
The spelling of 1438280496 in words is "one billion, four hundred thirty-eight million, two hundred eighty thousand, four hundred ninety-six".
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