Base | Representation |
---|---|
bin | 100111000001010… |
… | …0100101010010000 |
3 | 10101020200012020110 |
4 | 1032002210222100 |
5 | 10140140003141 |
6 | 333530441320 |
7 | 44305562166 |
oct | 11602445220 |
9 | 3336605213 |
10 | 1309297296 |
11 | 61207848a |
12 | 306593240 |
13 | 17b341a38 |
14 | c5c61236 |
15 | 79e29e16 |
hex | 4e0a4a90 |
1309297296 has 80 divisors (see below), whose sum is σ = 3769848000. Its totient is φ = 389136384.
The previous prime is 1309297291. The next prime is 1309297331. The reversal of 1309297296 is 6927929031.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is not an unprimeable number, because it can be changed into a prime (1309297291) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26721 + ... + 57728.
It is an arithmetic number, because the mean of its divisors is an integer number (47123100).
Almost surely, 21309297296 is an apocalyptic number.
1309297296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
1309297296 is an abundant number, since it is smaller than the sum of its proper divisors (2460550704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1309297296 is a wasteful number, since it uses less digits than its factorization.
1309297296 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84496 (or 84490 counting only the distinct ones).
The product of its (nonzero) digits is 367416, while the sum is 48.
The square root of 1309297296 is about 36184.2133533396. The cubic root of 1309297296 is about 1093.9885006707.
The spelling of 1309297296 in words is "one billion, three hundred nine million, two hundred ninety-seven thousand, two hundred ninety-six".
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