Base | Representation |
---|---|
bin | 111010000011… |
… | …1010001000001 |
3 | 2010021102201120 |
4 | 1310013101001 |
5 | 30243012330 |
6 | 3004222453 |
7 | 516502611 |
oct | 164072101 |
9 | 63242646 |
10 | 30438465 |
11 | 161aa962 |
12 | a23aa29 |
13 | 63c9735 |
14 | 4084a41 |
15 | 2a13c10 |
hex | 1d07441 |
30438465 has 16 divisors (see below), whose sum is σ = 49032000. Its totient is φ = 16123712.
The previous prime is 30438439. The next prime is 30438479. The reversal of 30438465 is 56483403.
It is a cyclic number.
It is not a de Polignac number, because 30438465 - 25 = 30438433 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4575 + ... + 9044.
It is an arithmetic number, because the mean of its divisors is an integer number (3064500).
Almost surely, 230438465 is an apocalyptic number.
It is an amenable number.
30438465 is a deficient number, since it is larger than the sum of its proper divisors (18593535).
30438465 is a wasteful number, since it uses less digits than its factorization.
30438465 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13776.
The product of its (nonzero) digits is 34560, while the sum is 33.
The square root of 30438465 is about 5517.1065786334. The cubic root of 30438465 is about 312.2297268485.
It can be divided in two parts, 30438 and 465, that added together give a palindrome (30903).
The spelling of 30438465 in words is "thirty million, four hundred thirty-eight thousand, four hundred sixty-five".
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