Base | Representation |
---|---|
bin | 111111111001111… |
… | …011011101111101 |
3 | 2202201102212211222 |
4 | 333321323131331 |
5 | 4143432303042 |
6 | 254215523125 |
7 | 35366061623 |
oct | 7771733575 |
9 | 2681385758 |
10 | 1072150397 |
11 | 50022350a |
12 | 25b0894a5 |
13 | 14117c726 |
14 | a256d513 |
15 | 641d42d2 |
hex | 3fe7b77d |
1072150397 has 2 divisors, whose sum is σ = 1072150398. Its totient is φ = 1072150396.
The previous prime is 1072150367. The next prime is 1072150421. The reversal of 1072150397 is 7930512701.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 901560676 + 170589721 = 30026^2 + 13061^2 .
It is a cyclic number.
It is not a de Polignac number, because 1072150397 - 26 = 1072150333 is a prime.
It is a super-2 number, since 2×10721503972 = 2299012947574515218, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1072150307) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536075198 + 536075199.
It is an arithmetic number, because the mean of its divisors is an integer number (536075199).
Almost surely, 21072150397 is an apocalyptic number.
It is an amenable number.
1072150397 is a deficient number, since it is larger than the sum of its proper divisors (1).
1072150397 is an equidigital number, since it uses as much as digits as its factorization.
1072150397 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 13230, while the sum is 35.
The square root of 1072150397 is about 32743.7077466801. The cubic root of 1072150397 is about 1023.4938488379.
The spelling of 1072150397 in words is "one billion, seventy-two million, one hundred fifty thousand, three hundred ninety-seven".
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