Base | Representation |
---|---|
bin | 111010110101110… |
… | …1010011101000100 |
3 | 12002121010220200101 |
4 | 1311223222131010 |
5 | 13020420132411 |
6 | 523525453444 |
7 | 66632645644 |
oct | 16553523504 |
9 | 5077126611 |
10 | 1974380356 |
11 | 923539203 |
12 | 471271284 |
13 | 256077100 |
14 | 14a30a524 |
15 | b85018c1 |
hex | 75aea744 |
1974380356 has 27 divisors (see below), whose sum is σ = 3743582871. Its totient is φ = 910719264.
The previous prime is 1974380341. The next prime is 1974380363. The reversal of 1974380356 is 6530834791.
The square root of 1974380356 is 44434.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 873202500 + 1101177856 = 29550^2 + 33184^2 .
It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1154430 + ... + 1156138.
Almost surely, 21974380356 is an apocalyptic number.
1974380356 is the 44434-th square number.
It is an amenable number.
1974380356 is a deficient number, since it is larger than the sum of its proper divisors (1769202515).
1974380356 is an equidigital number, since it uses as much as digits as its factorization.
1974380356 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3448 (or 1724 counting only the distinct ones).
The product of its (nonzero) digits is 544320, while the sum is 46.
The cubic root of 1974380356 is about 1254.5181255044.
The spelling of 1974380356 in words is "one billion, nine hundred seventy-four million, three hundred eighty thousand, three hundred fifty-six".
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