Base | Representation |
---|---|
bin | 111111111011111… |
… | …101110101101011 |
3 | 2202202110000100200 |
4 | 333323331311223 |
5 | 4144101400040 |
6 | 254235203243 |
7 | 35403444516 |
oct | 7773756553 |
9 | 2682400320 |
10 | 1072684395 |
11 | 500558732 |
12 | 25b2a6523 |
13 | 1413087c3 |
14 | a266bd7d |
15 | 6428c630 |
hex | 3fefdd6b |
1072684395 has 24 divisors (see below), whose sum is σ = 1866201792. Its totient is φ = 569980800.
The previous prime is 1072684391. The next prime is 1072684421. The reversal of 1072684395 is 5934862701.
1072684395 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1072684395 - 22 = 1072684391 is a prime.
It is a super-2 number, since 2×10726843952 = 2301303622553032050, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
1072684395 is strictly pandigital in base 10.
It is a self number, because there is not a number n which added to its sum of digits gives 1072684395.
It is not an unprimeable number, because it can be changed into a prime (1072684391) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31786 + ... + 56175.
It is an arithmetic number, because the mean of its divisors is an integer number (77758408).
It is a 2-persistent number, because it is pandigital, and so is 2⋅1072684395 = 2145368790, but 3⋅1072684395 = 3218053185 is not.
Almost surely, 21072684395 is an apocalyptic number.
1072684395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1072684395 is a deficient number, since it is larger than the sum of its proper divisors (793517397).
1072684395 is a wasteful number, since it uses less digits than its factorization.
1072684395 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88243 (or 88240 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The square root of 1072684395 is about 32751.8609394947. The cubic root of 1072684395 is about 1023.6637419664.
The spelling of 1072684395 in words is "one billion, seventy-two million, six hundred eighty-four thousand, three hundred ninety-five".
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