Base | Representation |
---|---|
bin | 1100010000011… |
… | …1110001110000 |
3 | 10120202000010010 |
4 | 3010013301300 |
5 | 101130141310 |
6 | 5033534520 |
7 | 1162665306 |
oct | 304076160 |
9 | 116660103 |
10 | 51412080 |
11 | 27025725 |
12 | 15274440 |
13 | a861065 |
14 | 6b84276 |
15 | 47a8320 |
hex | 3107c70 |
51412080 has 80 divisors (see below), whose sum is σ = 168765984. Its totient is φ = 12902400.
The previous prime is 51412051. The next prime is 51412091. The reversal of 51412080 is 8021415.
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2221 + ... + 10380.
Almost surely, 251412080 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 51412080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84382992).
51412080 is an abundant number, since it is smaller than the sum of its proper divisors (117353904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51412080 is a wasteful number, since it uses less digits than its factorization.
51412080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12634 (or 12628 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 21.
The square root of 51412080 is about 7170.2217538930. The cubic root of 51412080 is about 371.8391025773.
Adding to 51412080 its reverse (8021415), we get a palindrome (59433495).
The spelling of 51412080 in words is "fifty-one million, four hundred twelve thousand, eighty".
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