Base | Representation |
---|---|
bin | 10110101001011… |
… | …110101010001111 |
3 | 222110222120220220 |
4 | 112221132222033 |
5 | 1234233102424 |
6 | 101412042423 |
7 | 12262465533 |
oct | 2651365217 |
9 | 873876826 |
10 | 379972239 |
11 | 185536849 |
12 | a7303413 |
13 | 6094b65a |
14 | 3866dbc3 |
15 | 23559579 |
hex | 16a5ea8f |
379972239 has 32 divisors (see below), whose sum is σ = 547430400. Its totient is φ = 233882880.
The previous prime is 379972237. The next prime is 379972249. The reversal of 379972239 is 932279973.
It is a happy number.
It is not a de Polignac number, because 379972239 - 21 = 379972237 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 379972191 and 379972200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (379972237) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 239242 + ... + 240824.
It is an arithmetic number, because the mean of its divisors is an integer number (17107200).
Almost surely, 2379972239 is an apocalyptic number.
379972239 is a deficient number, since it is larger than the sum of its proper divisors (167458161).
379972239 is a wasteful number, since it uses less digits than its factorization.
379972239 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1735.
The product of its digits is 1285956, while the sum is 51.
The square root of 379972239 is about 19492.8766219868. The cubic root of 379972239 is about 724.2980055580.
The spelling of 379972239 in words is "three hundred seventy-nine million, nine hundred seventy-two thousand, two hundred thirty-nine".
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