Base | Representation |
---|---|
bin | 10110101001001… |
… | …100100010000110 |
3 | 222110211211001221 |
4 | 112221030202012 |
5 | 1234223213430 |
6 | 101410310554 |
7 | 12262036213 |
oct | 2651144206 |
9 | 873754057 |
10 | 379897990 |
11 | 185495a8a |
12 | a728845a |
13 | 60923914 |
14 | 38650b0a |
15 | 2354257a |
hex | 16a4c886 |
379897990 has 16 divisors (see below), whose sum is σ = 690457248. Its totient is φ = 150483456.
The previous prime is 379897979. The next prime is 379898009. The reversal of 379897990 is 99798973.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183387 + ... + 185446.
It is an arithmetic number, because the mean of its divisors is an integer number (43153578).
Almost surely, 2379897990 is an apocalyptic number.
379897990 is a deficient number, since it is larger than the sum of its proper divisors (310559258).
379897990 is a wasteful number, since it uses less digits than its factorization.
379897990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 368943.
The product of its (nonzero) digits is 7715736, while the sum is 61.
The square root of 379897990 is about 19490.9720127037. The cubic root of 379897990 is about 724.2508250008.
The spelling of 379897990 in words is "three hundred seventy-nine million, eight hundred ninety-seven thousand, nine hundred ninety".
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