Base | Representation |
---|---|
bin | 11100100011000… |
… | …10010101000101 |
3 | 121200121202011201 |
4 | 32101202111011 |
5 | 442301244320 |
6 | 35432502501 |
7 | 5635346560 |
oct | 1621422505 |
9 | 550552151 |
10 | 239478085 |
11 | 1131a7480 |
12 | 6824aa31 |
13 | 3a7ca412 |
14 | 23b3b4d7 |
15 | 1605670a |
hex | e462545 |
239478085 has 64 divisors (see below), whose sum is σ = 376358400. Its totient is φ = 141926400.
The previous prime is 239478079. The next prime is 239478121. The reversal of 239478085 is 580874932.
It is not a de Polignac number, because 239478085 - 23 = 239478077 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 993565 + ... + 993805.
It is an arithmetic number, because the mean of its divisors is an integer number (5880600).
Almost surely, 2239478085 is an apocalyptic number.
It is an amenable number.
239478085 is a deficient number, since it is larger than the sum of its proper divisors (136880315).
239478085 is a wasteful number, since it uses less digits than its factorization.
239478085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 382.
The product of its (nonzero) digits is 483840, while the sum is 46.
The square root of 239478085 is about 15475.0794828330. The cubic root of 239478085 is about 620.9956989061.
The spelling of 239478085 in words is "two hundred thirty-nine million, four hundred seventy-eight thousand, eighty-five".
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