Base | Representation |
---|---|
bin | 1100101011011… |
… | …1101100110010 |
3 | 10201001212221100 |
4 | 3022313230302 |
5 | 102103244414 |
6 | 5135505230 |
7 | 1214014221 |
oct | 312675462 |
9 | 121055840 |
10 | 53181234 |
11 | 28023937 |
12 | 15988216 |
13 | b0303b2 |
14 | 70c4cb8 |
15 | 4a07609 |
hex | 32b7b32 |
53181234 has 12 divisors (see below), whose sum is σ = 115226046. Its totient is φ = 17727072.
The previous prime is 53181211. The next prime is 53181257. The reversal of 53181234 is 43218135.
It is a happy number.
53181234 is a `hidden beast` number, since 531 + 8 + 123 + 4 = 666.
It is an interprime number because it is at equal distance from previous prime (53181211) and next prime (53181257).
It can be written as a sum of positive squares in only one way, i.e., 32524209 + 20657025 = 5703^2 + 4545^2 .
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 53181198 and 53181207.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1477239 + ... + 1477274.
Almost surely, 253181234 is an apocalyptic number.
53181234 is an abundant number, since it is smaller than the sum of its proper divisors (62044812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53181234 is a wasteful number, since it uses less digits than its factorization.
53181234 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2954521 (or 2954518 counting only the distinct ones).
The product of its digits is 2880, while the sum is 27.
The square root of 53181234 is about 7292.5464688269. The cubic root of 53181234 is about 376.0562434727.
Adding to 53181234 its reverse (43218135), we get a palindrome (96399369).
The spelling of 53181234 in words is "fifty-three million, one hundred eighty-one thousand, two hundred thirty-four".
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