Base | Representation |
---|---|
bin | 10110101000110… |
… | …111100100110101 |
3 | 222110200110022122 |
4 | 112220313210311 |
5 | 1234212442044 |
6 | 101404405325 |
7 | 12261231023 |
oct | 2650674465 |
9 | 873613278 |
10 | 379812149 |
11 | 185437542 |
12 | a7246845 |
13 | 608c3822 |
14 | 3862b713 |
15 | 23526dee |
hex | 16a37935 |
379812149 has 2 divisors, whose sum is σ = 379812150. Its totient is φ = 379812148.
The previous prime is 379812131. The next prime is 379812161. The reversal of 379812149 is 941218973.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 317481124 + 62331025 = 17818^2 + 7895^2 .
It is a cyclic number.
It is not a de Polignac number, because 379812149 - 216 = 379746613 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (379812119) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189906074 + 189906075.
It is an arithmetic number, because the mean of its divisors is an integer number (189906075).
Almost surely, 2379812149 is an apocalyptic number.
It is an amenable number.
379812149 is a deficient number, since it is larger than the sum of its proper divisors (1).
379812149 is an equidigital number, since it uses as much as digits as its factorization.
379812149 is an evil number, because the sum of its binary digits is even.
The product of its digits is 108864, while the sum is 44.
The square root of 379812149 is about 19488.7698175129. The cubic root of 379812149 is about 724.1962707959.
The spelling of 379812149 in words is "three hundred seventy-nine million, eight hundred twelve thousand, one hundred forty-nine".
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