Base | Representation |
---|---|
bin | 1100001100001… |
… | …1011001111000 |
3 | 10120012202221200 |
4 | 3003003121320 |
5 | 101042211044 |
6 | 5023534200 |
7 | 1160420646 |
oct | 303033170 |
9 | 116182850 |
10 | 51132024 |
11 | 26954279 |
12 | 1515a360 |
13 | a793748 |
14 | 6b10196 |
15 | 4750369 |
hex | 30c3678 |
51132024 has 48 divisors (see below), whose sum is σ = 138827520. Its totient is φ = 17001600.
The previous prime is 51132023. The next prime is 51132041. The reversal of 51132024 is 42023115.
It is a super-2 number, since 2×511320242 = 5228967756673152, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 51131988 and 51132006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51132023) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43849 + ... + 44999.
It is an arithmetic number, because the mean of its divisors is an integer number (2892240).
Almost surely, 251132024 is an apocalyptic number.
It is an amenable number.
51132024 is an abundant number, since it is smaller than the sum of its proper divisors (87695496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51132024 is a wasteful number, since it uses less digits than its factorization.
51132024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1780 (or 1773 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 51132024 is about 7150.6659829697. The cubic root of 51132024 is about 371.1627023254.
Adding to 51132024 its reverse (42023115), we get a palindrome (93155139).
The spelling of 51132024 in words is "fifty-one million, one hundred thirty-two thousand, twenty-four".
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