Base | Representation |
---|---|
bin | 11100000010101… |
… | …01010011101000 |
3 | 121101121221111112 |
4 | 32001111103220 |
5 | 440204333230 |
6 | 35201445452 |
7 | 5554266014 |
oct | 1601252350 |
9 | 541557445 |
10 | 235230440 |
11 | 110866125 |
12 | 66940888 |
13 | 39970c13 |
14 | 23353544 |
15 | 159b7d95 |
hex | e0554e8 |
235230440 has 32 divisors (see below), whose sum is σ = 530637480. Its totient is φ = 93848832.
The previous prime is 235230433. The next prime is 235230487. The reversal of 235230440 is 44032532.
It can be written as a sum of positive squares in 4 ways, for example, as 184905604 + 50324836 = 13598^2 + 7094^2 .
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, 8474 + ... + 23286.
Almost surely, 2235230440 is an apocalyptic number.
235230440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
235230440 is an abundant number, since it is smaller than the sum of its proper divisors (295407040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
235230440 is a wasteful number, since it uses less digits than its factorization.
235230440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15221 (or 15217 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 23.
The square root of 235230440 is about 15337.2239991467. The cubic root of 235230440 is about 617.3022221160.
Adding to 235230440 its reverse (44032532), we get a palindrome (279262972).
The spelling of 235230440 in words is "two hundred thirty-five million, two hundred thirty thousand, four hundred forty".
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