Base | Representation |
---|---|
bin | 11011011110011… |
… | …00111001100001 |
3 | 121001200110120100 |
4 | 31233030321201 |
5 | 433000234114 |
6 | 34511533013 |
7 | 5466011541 |
oct | 1557147141 |
9 | 531613510 |
10 | 230477409 |
11 | 10910a0a8 |
12 | 6522a169 |
13 | 38998686 |
14 | 22877321 |
15 | 15379909 |
hex | dbcce61 |
230477409 has 6 divisors (see below), whose sum is σ = 332911826. Its totient is φ = 153651600.
The previous prime is 230477393. The next prime is 230477417. The reversal of 230477409 is 904774032.
It can be written as a sum of positive squares in only one way, i.e., 223203600 + 7273809 = 14940^2 + 2697^2 .
It is not a de Polignac number, because 230477409 - 24 = 230477393 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (230477909) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12804292 + ... + 12804309.
Almost surely, 2230477409 is an apocalyptic number.
It is an amenable number.
230477409 is a deficient number, since it is larger than the sum of its proper divisors (102434417).
230477409 is a wasteful number, since it uses less digits than its factorization.
230477409 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25608607 (or 25608604 counting only the distinct ones).
The product of its (nonzero) digits is 42336, while the sum is 36.
The square root of 230477409 is about 15181.4824374960. The cubic root of 230477409 is about 613.1161947630.
The spelling of 230477409 in words is "two hundred thirty million, four hundred seventy-seven thousand, four hundred nine".
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