Base | Representation |
---|---|
bin | 111111111010010… |
… | …010100100001111 |
3 | 2202201121200122001 |
4 | 333322102210033 |
5 | 4143443320012 |
6 | 254221533131 |
7 | 35366634511 |
oct | 7772224417 |
9 | 2681550561 |
10 | 1072245007 |
11 | 5002885a9 |
12 | 25b1141a7 |
13 | 1411b3802 |
14 | a2595bb1 |
15 | 64202357 |
hex | 3fe9290f |
1072245007 has 4 divisors (see below), whose sum is σ = 1089822856. Its totient is φ = 1054667160.
The previous prime is 1072244989. The next prime is 1072245017. The reversal of 1072245007 is 7005422701.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7005422701 = 43 ⋅162916807.
It is a cyclic number.
It is not a de Polignac number, because 1072245007 - 223 = 1063856399 is a prime.
It is a super-2 number, since 2×10722450072 = 2299418710072860098, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1072245017) 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, 8788833 + ... + 8788954.
It is an arithmetic number, because the mean of its divisors is an integer number (272455714).
Almost surely, 21072245007 is an apocalyptic number.
1072245007 is a deficient number, since it is larger than the sum of its proper divisors (17577849).
1072245007 is an equidigital number, since it uses as much as digits as its factorization.
1072245007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17577848.
The product of its (nonzero) digits is 3920, while the sum is 28.
The square root of 1072245007 is about 32745.1524198621. The cubic root of 1072245007 is about 1023.5239534156.
Adding to 1072245007 its reverse (7005422701), we get a palindrome (8077667708).
The spelling of 1072245007 in words is "one billion, seventy-two million, two hundred forty-five thousand, seven".
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