Base | Representation |
---|---|
bin | 1001100101100… |
… | …1000001010000 |
3 | 2210122220110020 |
4 | 2121121001100 |
5 | 40243214022 |
6 | 3553503440 |
7 | 665532546 |
oct | 231310120 |
9 | 83586406 |
10 | 40210512 |
11 | 20774831 |
12 | 11571b80 |
13 | 843b604 |
14 | 54a9d96 |
15 | 37e435c |
hex | 2659050 |
40210512 has 40 divisors (see below), whose sum is σ = 105139104. Its totient is φ = 13240704.
The previous prime is 40210487. The next prime is 40210523. The reversal of 40210512 is 21501204.
It is a junction number, because it is equal to n+sod(n) for n = 40210491 and 40210500.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063 + ... + 9030.
Almost surely, 240210512 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 40210512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52569552).
40210512 is an abundant number, since it is smaller than the sum of its proper divisors (64928592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40210512 is a wasteful number, since it uses less digits than its factorization.
40210512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10187 (or 10181 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 15.
The square root of 40210512 is about 6341.1759161846. The cubic root of 40210512 is about 342.5940906890.
Adding to 40210512 its reverse (21501204), we get a palindrome (61711716).
The spelling of 40210512 in words is "forty million, two hundred ten thousand, five hundred twelve".
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