Base | Representation |
---|---|
bin | 10110101001011… |
… | …110100101000011 |
3 | 222110222120110121 |
4 | 112221132211003 |
5 | 1234233100112 |
6 | 101412041111 |
7 | 12262464550 |
oct | 2651364503 |
9 | 873876417 |
10 | 379971907 |
11 | 185536577 |
12 | a7303197 |
13 | 6094b463 |
14 | 3866da27 |
15 | 23559407 |
hex | 16a5e943 |
379971907 has 16 divisors (see below), whose sum is σ = 452293632. Its totient is φ = 312409440.
The previous prime is 379971901. The next prime is 379971959. The reversal of 379971907 is 709179973.
It is a de Polignac number, because none of the positive numbers 2k-379971907 is a prime.
It is not an unprimeable number, because it can be changed into a prime (379971901) 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, 8058 + ... + 28720.
It is an arithmetic number, because the mean of its divisors is an integer number (28268352).
Almost surely, 2379971907 is an apocalyptic number.
379971907 is a gapful number since it is divisible by the number (37) formed by its first and last digit.
379971907 is a deficient number, since it is larger than the sum of its proper divisors (72321725).
379971907 is a wasteful number, since it uses less digits than its factorization.
379971907 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20778.
The product of its (nonzero) digits is 750141, while the sum is 52.
The square root of 379971907 is about 19492.8681060536. The cubic root of 379971907 is about 724.2977946066.
The spelling of 379971907 in words is "three hundred seventy-nine million, nine hundred seventy-one thousand, nine hundred seven".
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