Base | Representation |
---|---|
bin | 10110101101000… |
… | …011100101100100 |
3 | 222112202020011222 |
4 | 112231003211210 |
5 | 1240003104144 |
6 | 101444115512 |
7 | 12303452363 |
oct | 2655034544 |
9 | 875666158 |
10 | 380909924 |
11 | 18601729a |
12 | a7695b98 |
13 | 60bb93b5 |
14 | 388357da |
15 | 236922ee |
hex | 16b43964 |
380909924 has 12 divisors (see below), whose sum is σ = 667587564. Its totient is φ = 190170624.
The previous prime is 380909911. The next prime is 380909981. The reversal of 380909924 is 429909083.
It can be written as a sum of positive squares in 2 ways, for example, as 290089024 + 90820900 = 17032^2 + 9530^2 .
It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68057 + ... + 73440.
It is an arithmetic number, because the mean of its divisors is an integer number (55632297).
Almost surely, 2380909924 is an apocalyptic number.
It is an amenable number.
380909924 is a deficient number, since it is larger than the sum of its proper divisors (286677640).
380909924 is a wasteful number, since it uses less digits than its factorization.
380909924 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 142174 (or 142172 counting only the distinct ones).
The product of its (nonzero) digits is 139968, while the sum is 44.
The square root of 380909924 is about 19516.9137929131. The cubic root of 380909924 is about 724.8933170016.
The spelling of 380909924 in words is "three hundred eighty million, nine hundred nine thousand, nine hundred twenty-four".
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