Base | Representation |
---|---|
bin | 101001000110111… |
… | …1100011111101010 |
3 | 10120010120010202010 |
4 | 1102031330133222 |
5 | 10311110343440 |
6 | 344513020350 |
7 | 46116412344 |
oct | 12215743752 |
9 | 3503503663 |
10 | 1379387370 |
11 | 6486a0169 |
12 | 325b546b6 |
13 | 18ca1255a |
14 | d12a8294 |
15 | 81172580 |
hex | 5237c7ea |
1379387370 has 32 divisors (see below), whose sum is σ = 3340909440. Its totient is φ = 364461120.
The previous prime is 1379387351. The next prime is 1379387371. The reversal of 1379387370 is 737839731.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (1379387371) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207646 + ... + 214185.
It is an arithmetic number, because the mean of its divisors is an integer number (104403420).
Almost surely, 21379387370 is an apocalyptic number.
1379387370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1379387370 is an abundant number, since it is smaller than the sum of its proper divisors (1961522070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1379387370 is a wasteful number, since it uses less digits than its factorization.
1379387370 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 421950.
The product of its (nonzero) digits is 666792, while the sum is 48.
The square root of 1379387370 is about 37140.1046040530. The cubic root of 1379387370 is about 1113.1715075689.
The spelling of 1379387370 in words is "one billion, three hundred seventy-nine million, three hundred eighty-seven thousand, three hundred seventy".
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