Base | Representation |
---|---|
bin | 111011011110000… |
… | …100100111111001 |
3 | 2120112102101121100 |
4 | 323132010213321 |
5 | 4020410122001 |
6 | 243001002013 |
7 | 33503433030 |
oct | 7336044771 |
9 | 2515371540 |
10 | 997739001 |
11 | 47221a096 |
12 | 23a183309 |
13 | 12b92800c |
14 | 9671d717 |
15 | 5c8d6586 |
hex | 3b7849f9 |
997739001 has 48 divisors (see below), whose sum is σ = 1737548800. Its totient is φ = 538946784.
The previous prime is 997738991. The next prime is 997739033. The reversal of 997739001 is 100937799.
It is not a de Polignac number, because 997739001 - 210 = 997737977 is a prime.
It is a super-2 number, since 2×9977390012 = 1990966228232956002, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (997739201) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1085220 + ... + 1086138.
Almost surely, 2997739001 is an apocalyptic number.
It is an amenable number.
997739001 is a deficient number, since it is larger than the sum of its proper divisors (739809799).
997739001 is a wasteful number, since it uses less digits than its factorization.
997739001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1858 (or 1855 counting only the distinct ones).
The product of its (nonzero) digits is 107163, while the sum is 45.
The square root of 997739001 is about 31587.0068382555. The cubic root of 997739001 is about 999.2457649392.
The spelling of 997739001 in words is "nine hundred ninety-seven million, seven hundred thirty-nine thousand, one".
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