Base | Representation |
---|---|
bin | 101001000110010… |
… | …0100000000100000 |
3 | 10120002212201120100 |
4 | 1102030210000200 |
5 | 10311012244203 |
6 | 344501142400 |
7 | 46113342561 |
oct | 12214440040 |
9 | 3502781510 |
10 | 1379024928 |
11 | 648472926 |
12 | 3259baa00 |
13 | 18c9165a8 |
14 | d1212168 |
15 | 810eeea3 |
hex | 52324020 |
1379024928 has 144 divisors (see below), whose sum is σ = 4063288320. Its totient is φ = 443294208.
The previous prime is 1379024897. The next prime is 1379024929. The reversal of 1379024928 is 8294209731.
It is a tau number, because it is divible by the number of its divisors (144).
It is not an unprimeable number, because it can be changed into a prime (1379024929) 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, 1352803 + ... + 1353821.
It is an arithmetic number, because the mean of its divisors is an integer number (28217280).
Almost surely, 21379024928 is an apocalyptic number.
1379024928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1379024928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2031644160).
1379024928 is an abundant number, since it is smaller than the sum of its proper divisors (2684263392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1379024928 is a wasteful number, since it uses less digits than its factorization.
1379024928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1199 (or 1188 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 45.
The square root of 1379024928 is about 37135.2248949700. The cubic root of 1379024928 is about 1113.0740016135.
The spelling of 1379024928 in words is "one billion, three hundred seventy-nine million, twenty-four thousand, nine hundred twenty-eight".
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