Base | Representation |
---|---|
bin | 111011100001101… |
… | …1010010101111010 |
3 | 12011012102120102102 |
4 | 1313003122111322 |
5 | 13042312224114 |
6 | 530110503402 |
7 | 100332322103 |
oct | 16703322572 |
9 | 5135376372 |
10 | 1997383034 |
11 | 93551a489 |
12 | 478b04b62 |
13 | 25aa6c16a |
14 | 14d3b73aa |
15 | ba5472de |
hex | 770da57a |
1997383034 has 8 divisors (see below), whose sum is σ = 3029738580. Its totient is φ = 987470176.
The previous prime is 1997383027. The next prime is 1997383039. The reversal of 1997383034 is 4303837991.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 1947015625 + 50367409 = 44125^2 + 7097^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×19973830342 = 7979077969022090312, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1997383034.
It is not an unprimeable number, because it can be changed into a prime (1997383039) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5610449 + ... + 5610804.
Almost surely, 21997383034 is an apocalyptic number.
1997383034 is a deficient number, since it is larger than the sum of its proper divisors (1032355546).
1997383034 is a wasteful number, since it uses less digits than its factorization.
1997383034 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11221344.
The product of its (nonzero) digits is 489888, while the sum is 47.
The square root of 1997383034 is about 44692.0914032897. The cubic root of 1997383034 is about 1259.3712816126.
The spelling of 1997383034 in words is "one billion, nine hundred ninety-seven million, three hundred eighty-three thousand, thirty-four".
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