Base | Representation |
---|---|
bin | 1100001010101… |
… | …1001011111010 |
3 | 10120000201212200 |
4 | 3002223023322 |
5 | 101031022301 |
6 | 5021451030 |
7 | 1156525515 |
oct | 302531372 |
9 | 116021780 |
10 | 51032826 |
11 | 26896799 |
12 | 15110a76 |
13 | a75a550 |
14 | 6ac5d7c |
15 | 4730c86 |
hex | 30ab2fa |
51032826 has 36 divisors (see below), whose sum is σ = 119332122. Its totient is φ = 15668784.
The previous prime is 51032809. The next prime is 51032887. The reversal of 51032826 is 62823015.
It can be written as a sum of positive squares in only one way, i.e., 49070025 + 1962801 = 7005^2 + 1401^2 .
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 51032826.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 109045 + ... + 109511.
Almost surely, 251032826 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 51032826, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59666061).
51032826 is an abundant number, since it is smaller than the sum of its proper divisors (68299296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51032826 is a wasteful number, since it uses less digits than its factorization.
51032826 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 955 (or 485 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 51032826 is about 7143.7263385435. The cubic root of 51032826 is about 370.9225238595.
The spelling of 51032826 in words is "fifty-one million, thirty-two thousand, eight hundred twenty-six".
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