Base | Representation |
---|---|
bin | 11100100010010… |
… | …10001110010001 |
3 | 121200102201201200 |
4 | 32101022032101 |
5 | 442240114340 |
6 | 35430421413 |
7 | 5634455652 |
oct | 1621121621 |
9 | 550381650 |
10 | 239379345 |
11 | 11313a277 |
12 | 68201869 |
13 | 3a7944aa |
14 | 23b13529 |
15 | 16037330 |
hex | e44a391 |
239379345 has 24 divisors (see below), whose sum is σ = 417111552. Its totient is φ = 126996000.
The previous prime is 239379317. The next prime is 239379353. The reversal of 239379345 is 543973932.
239379345 is a `hidden beast` number, since 239 + 3 + 79 + 345 = 666.
It is not a de Polignac number, because 239379345 - 29 = 239378833 is a prime.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 239379345.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5331 + ... + 22520.
It is an arithmetic number, because the mean of its divisors is an integer number (17379648).
Almost surely, 2239379345 is an apocalyptic number.
It is an amenable number.
239379345 is a deficient number, since it is larger than the sum of its proper divisors (177732207).
239379345 is a wasteful number, since it uses less digits than its factorization.
239379345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28053 (or 28050 counting only the distinct ones).
The product of its digits is 612360, while the sum is 45.
The square root of 239379345 is about 15471.8888633547. Note that the first 4 decimals coincide. The cubic root of 239379345 is about 620.9103389109.
The spelling of 239379345 in words is "two hundred thirty-nine million, three hundred seventy-nine thousand, three hundred forty-five".
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