Base | Representation |
---|---|
bin | 1100010000100… |
… | …0000011101110 |
3 | 10120202001200201 |
4 | 3010020003232 |
5 | 101130210410 |
6 | 5033544114 |
7 | 1163001541 |
oct | 304100356 |
9 | 116661621 |
10 | 51413230 |
11 | 27026580 |
12 | 1527503a |
13 | a86173b |
14 | 6b84858 |
15 | 47a883a |
hex | 31080ee |
51413230 has 64 divisors (see below), whose sum is σ = 106375680. Its totient is φ = 17718400.
The previous prime is 51413227. The next prime is 51413269. The reversal of 51413230 is 3231415.
It is a junction number, because it is equal to n+sod(n) for n = 51413198 and 51413207.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226377 + ... + 226603.
It is an arithmetic number, because the mean of its divisors is an integer number (1662120).
Almost surely, 251413230 is an apocalyptic number.
51413230 is an abundant number, since it is smaller than the sum of its proper divisors (54962450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51413230 is a wasteful number, since it uses less digits than its factorization.
51413230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 345.
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 51413230 is about 7170.3019462223. The cubic root of 51413230 is about 371.8418750242.
Adding to 51413230 its reverse (3231415), we get a palindrome (54644645).
The spelling of 51413230 in words is "fifty-one million, four hundred thirteen thousand, two hundred thirty".
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