Base | Representation |
---|---|
bin | 1100101010011… |
… | …0111001101110 |
3 | 10200221101120001 |
4 | 3022212321232 |
5 | 102044044210 |
6 | 5134214514 |
7 | 1213306510 |
oct | 312467156 |
9 | 120841501 |
10 | 53112430 |
11 | 27a87178 |
12 | 1595443a |
13 | b007c97 |
14 | 70a7bb0 |
15 | 49e203a |
hex | 32a6e6e |
53112430 has 32 divisors (see below), whose sum is σ = 110278080. Its totient is φ = 18040320.
The previous prime is 53112407. The next prime is 53112431. The reversal of 53112430 is 3421135.
53112430 = T140 + T141 + ... + T684.
It is a junction number, because it is equal to n+sod(n) for n = 53112398 and 53112407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53112431) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4150 + ... + 11110.
It is an arithmetic number, because the mean of its divisors is an integer number (3446190).
Almost surely, 253112430 is an apocalyptic number.
53112430 is an abundant number, since it is smaller than the sum of its proper divisors (57165650).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53112430 is a wasteful number, since it uses less digits than its factorization.
53112430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7084.
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 53112430 is about 7287.8275226572. The cubic root of 53112430 is about 375.8939973931.
Adding to 53112430 its reverse (3421135), we get a palindrome (56533565).
The spelling of 53112430 in words is "fifty-three million, one hundred twelve thousand, four hundred thirty".
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