Base | Representation |
---|---|
bin | 101001000111101… |
… | …1100111001100101 |
3 | 10120011022012102010 |
4 | 1102033130321211 |
5 | 10311211012440 |
6 | 344525304433 |
7 | 46122645522 |
oct | 12217347145 |
9 | 3504265363 |
10 | 1379782245 |
11 | 64893a906 |
12 | 326105119 |
13 | 18cb201ca |
14 | d136c149 |
15 | 811ee580 |
hex | 523dce65 |
1379782245 has 16 divisors (see below), whose sum is σ = 2209701312. Its totient is φ = 735200640.
The previous prime is 1379782189. The next prime is 1379782273. The reversal of 1379782245 is 5422879731.
It is a happy number.
It is not a de Polignac number, because 1379782245 - 26 = 1379782181 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1379782194 and 1379782203.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25792 + ... + 58521.
It is an arithmetic number, because the mean of its divisors is an integer number (138106332).
Almost surely, 21379782245 is an apocalyptic number.
1379782245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1379782245 is a deficient number, since it is larger than the sum of its proper divisors (829919067).
1379782245 is a wasteful number, since it uses less digits than its factorization.
1379782245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85412.
The product of its digits is 846720, while the sum is 48.
The square root of 1379782245 is about 37145.4202426086. The cubic root of 1379782245 is about 1113.2777193725.
The spelling of 1379782245 in words is "one billion, three hundred seventy-nine million, seven hundred eighty-two thousand, two hundred forty-five".
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